Absolute pins
Level
4-Rook
Chess Diagram
[Event "Puzzle #295"][Date "2016.03.28"][Result "1-0"][SetUp "1"][FEN "6rk/6rp/4PR2/pp6/3P4/P1pK1QBq/1b5P/3R4 b - - 0 1"]
This wild position is ripe for some decisive action and black gets the first chance to do it as it is his turn to move. Your tasks:
a) What should black target?
b) What procedure could black use during the attack?
c) Write the best line for both black (attacking) and white (defending)
d) What procedure should white use to defend?
e) Who won this game?
Total available points for this puzzle is 25. The answers will be published next time together with puzzle #296.
Puzzle #294 solution:
Philippe Dornbusch, 2014. The perfect answer was provided this time by Bradley and it is summarised here:
a)
White: - the pawns d3-e2-f3 + Ke1 trap Ke3 / Ne4 will deliver the checkmate / the e5-pawn will deliver the interference
Black: - Bc8 (diagonal h3-c8) and Qg8 (diagonal a2-g8) stop possible checkmates by Ne4 / the pawns b4, c4, f4-g5-h6 stop Qg8 from attacking Ke1
b) The winning combination is:
[Event "Puzzle #294"][Date "2016.03.14"][Result "1-0"][SetUp "1"][FEN "2b3q1/8/7p/4P1p1/1p1pNp2/3PkP2/4P3/4K3 w - - 0 1"]1.e6!! Bxe6 ({Same ending for the other capture} 1... Qxe6 2.Nd2 Qh3 3.Nc4#) 2.Nf2 Bb3 3.Ng4#
Correct solutions:
Bradley - 20 points
Jalen, Coco, Ethan - 18 points
Cody, Deryk - 16 points
Benjamin - 2 points
Standings:
Jalen - 122 points
Bradley - 117 points
Deryk - 85 points
Coco - 84 points
Daniel - 72 points
Benjamin - 66 points
Cody - 54 points
Aaron - 46 points
Yakov - 41 points
Ethan - 33 points
Shya - 10 points
Dheera - 5 points
a) What should black target?
b) What procedure could black use during the attack?
c) Write the best line for both black (attacking) and white (defending)
d) What procedure should white use to defend?
e) Who won this game?
Total available points for this puzzle is 25. The answers will be published next time together with puzzle #296.
Puzzle #294 solution:
Philippe Dornbusch, 2014. The perfect answer was provided this time by Bradley and it is summarised here:
a)
White: - the pawns d3-e2-f3 + Ke1 trap Ke3 / Ne4 will deliver the checkmate / the e5-pawn will deliver the interference
Black: - Bc8 (diagonal h3-c8) and Qg8 (diagonal a2-g8) stop possible checkmates by Ne4 / the pawns b4, c4, f4-g5-h6 stop Qg8 from attacking Ke1
b) The winning combination is:
[Event "Puzzle #294"][Date "2016.03.14"][Result "1-0"][SetUp "1"][FEN "2b3q1/8/7p/4P1p1/1p1pNp2/3PkP2/4P3/4K3 w - - 0 1"]1.e6!! Bxe6 ({Same ending for the other capture} 1... Qxe6 2.Nd2 Qh3 3.Nc4#) 2.Nf2 Bb3 3.Ng4#
Correct solutions:
Bradley - 20 points
Jalen, Coco, Ethan - 18 points
Cody, Deryk - 16 points
Benjamin - 2 points
Standings:
Jalen - 122 points
Bradley - 117 points
Deryk - 85 points
Coco - 84 points
Daniel - 72 points
Benjamin - 66 points
Cody - 54 points
Aaron - 46 points
Yakov - 41 points
Ethan - 33 points
Shya - 10 points
Dheera - 5 points