To join: make a $25 (or more) tax deductible donation to ChessEdu.org and we will send your log in details for one-year access. (It may take up to 72 hours to receive your log in.) In Trial by Tactics you are shown the position just before the tactic occurs and then asked to visualize the winning sequence. Thereby emulating a real game scenario. We intersperse these puzzles with endgame studies and chess problems to explore the broad spectrum of chess creativity. We recommend using Trial by Tactics in conjunction with the ChessEdu.org curriculum. A new puzzle is posted daily. Problems can be studied as science and practiced as art! [FEN “qk2K3/R1R5/1P6/1Q6/8/8/8/8”] White mates in … [Read more...]
Think Like Oleksandr Postnikov!
To join: make a $25 (or more) tax deductible donation to ChessEdu.org and we will send your log in details for one-year access. (It may take up to 72 hours to receive your log in.) In Trial by Tactics you are shown the position just before the tactic occurs and then asked to visualize the winning sequence. Thereby emulating a real game scenario. We intersperse these puzzles with endgame studies and chess problems to explore the broad spectrum of chess creativity. We recommend using Trial by Tactics in conjunction with the ChessEdu.org curriculum. A new puzzle is posted daily. Problems unite riddle, art, and science! [FEN “4Qb2/8/8/6p1/4K2k/8/2n5/6R1”] White mates in two … [Read more...]
Think Like Mark Ridley!
To join: make a $25 (or more) tax deductible donation to ChessEdu.org and we will send your log in details for one-year access. (It may take up to 72 hours to receive your log in.) In Trial by Tactics you are shown the position just before the tactic occurs and then asked to visualize the winning sequence. Thereby emulating a real game scenario. We intersperse these puzzles with endgame studies and chess problems to explore the broad spectrum of chess creativity. We recommend using Trial by Tactics in conjunction with the ChessEdu.org curriculum. A new puzzle is posted daily. Opening teach you openings. Endings teach you chess. [FEN “8/8/8/7k/8/R4R2/K3p1p1/8”] White to move and wi … [Read more...]
Play Like Frederick Yates!
To join: make a $25 (or more) tax deductible donation to ChessEdu.org and we will send your log in details for one-year access. (It may take up to 72 hours to receive your log in.) In Trial by Tactics you are shown the position just before the tactic occurs and then asked to visualize the winning sequence. Thereby emulating a real game scenario. We intersperse these puzzles with endgame studies and chess problems to explore the broad spectrum of chess creativity. We recommend using Trial by Tactics in conjunction with the ChessEdu.org curriculum. A new puzzle is posted daily. A tactic a day keeps the losses at bay! [FEN “r2r2k1/1p3pp1/1np1p1p1/p3N3/2PPN2q/bP1R4/4QPPP/4R1K1 w - - 0 … [Read more...]
Play Like Drazen Marovic!
To join: make a $25 (or more) tax deductible donation to ChessEdu.org and we will send your log in details for one-year access. (It may take up to 72 hours to receive your log in.) In Trial by Tactics you are shown the position just before the tactic occurs and then asked to visualize the winning sequence. Thereby emulating a real game scenario. We intersperse these puzzles with endgame studies and chess problems to explore the broad spectrum of chess creativity. We recommend using Trial by Tactics in conjunction with the ChessEdu.org curriculum. A new puzzle is posted daily. Your daily chess quiz! [FEN “r4rk1/pp3ppp/2pq1n2/6Nb/2BP4/6R1/PPQ2PPP/4R1K1 w - - 0 18”] White found the s … [Read more...]
Play Like Tatev Abrahamyan!
To join: make a $25 (or more) tax deductible donation to ChessEdu.org and we will send your log in details for one-year access. (It may take up to 72 hours to receive your log in.) In Trial by Tactics you are shown the position just before the tactic occurs and then asked to visualize the winning sequence. Thereby emulating a real game scenario. We intersperse these puzzles with endgame studies and chess problems to explore the broad spectrum of chess creativity. We recommend using Trial by Tactics in conjunction with the ChessEdu.org curriculum. A new puzzle is posted daily. Play like a girl! [FEN “r5r1/1p1b1k2/4pbNp/q2p2p1/p7/3B2Q1/5PPP/1R3RK1 w - - 0 28”] How should White fol … [Read more...]
Play Like Harika Dronavalli!
To join: make a $25 (or more) tax deductible donation to ChessEdu.org and we will send your log in details for one-year access. (It may take up to 72 hours to receive your log in.) In Trial by Tactics you are shown the position just before the tactic occurs and then asked to visualize the winning sequence. Thereby emulating a real game scenario. We intersperse these puzzles with endgame studies and chess problems to explore the broad spectrum of chess creativity. We recommend using Trial by Tactics in conjunction with the ChessEdu.org curriculum. A new puzzle is posted daily. Play like a girl! [FEN “8/1p4kp/p2q1pp1/3p1n2/1Prb2BP/P5P1/1B2QPK1/4R3 w - - 0 39”] White found the str … [Read more...]
Think Like Josef Juchli!
To join: make a $25 (or more) tax deductible donation to ChessEdu.org and we will send your log in details for one-year access. (It may take up to 72 hours to receive your log in.) In Trial by Tactics you are shown the position just before the tactic occurs and then asked to visualize the winning sequence. Thereby emulating a real game scenario. We intersperse these puzzles with endgame studies and chess problems to explore the broad spectrum of chess creativity. We recommend using Trial by Tactics in conjunction with the ChessEdu.org curriculum. A new puzzle is posted daily. Problems are the poetry of chess! [FEN “8/Q7/3kp3/4N3/3pP1p1/2pP2Kp/2P2P2/6B1”] White mates in thr … [Read more...]
Queenfest VI: Peaceful Coexistence
Queenfest VI: Peaceful Coexistence By Jeff Coakley Queenfest returns once again. As usual, the puzzles involve multiple queens. The task is to arrange the queens on the board to achieve certain goals. The first puzzle is an example of independent domination. “Independent” because the queens do not protect each other. “Domination” because all vacant squares are under their control. Queenfest #19 (six queens) [FEN "8/8/8/8/8/8/8/8"] Place six queens on the board so that no queen is defended and every empty square is attacked. Earlier Queenfest columns are in the archives. Harem Scarum. The next puzzle uses an equal number of white and black queens. Parts A and B were first p … [Read more...]
However, … if
However, ... if By Geurt Gijssen The following is a very important sentence in the Laws of Chess: However, the game is drawn if the position is such that the opponent cannot checkmate the player’s king by any possible series of legal moves. This sentence is written in Article 6.9 and Article 7.5b. Also important are the sentences written just before this one in the same Articles: Article 6.9: If a player does not complete the prescribed number of moves in the allotted time, the game is lost by that player. Article 7.5b: For the second completed illegal move by the same player the arbiter shall declare the game lost by this player. I will paraphrase Article 6.9 for illustrative p … [Read more...]
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