MESON Chess Problem Database
Problem Display
PID: 163222 (2RK4/1p1B4/b2k1pP1/N2pb1Pp/N2p3Q/1PP1P3/P2P4/8 w - - 0 1)
Caplin, Aleksandr Borisovich
Sachmatija, 2003
#2
13 + 8
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Qxh2#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Bf1
- 2.Sxb7#
- 1...Be2
- 2.Sxb7#
- 1...Bd3
- 2.Sxb7#
- 1...Bc4
- 2.Sxb7#
- 1...Bb5
- 2.Sxb7#
- 1...dxc3
- 2.Qb4#
- 1...dxe3
- 2.Qb4#
- 1...d3
- 2.Qb4#
- 1...b5
- 2.Rc6#
- 1...b6
- 2.Rc6#
- 1...Bh2
- Tries
- 1.Bf5?
- 1...dxc3
- 2.Qb4#
- 1...dxe3
- 2.Qb4#
- 1...Bh2
- 2.Qxh2#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Bf1
- 2.Sxb7#
- 1...Be2
- 2.Sxb7#
- 1...Bd3
- 2.Sxb7#
- 1...Bc4
- 2.Sxb7#
- 1...Bb5
- 2.Sxb7#
- 1...d3
- 2.Qb4#
- 1...b5
- 2.Rc6#
- 1...b6
- 2.Rc6#
- 1...fxg5!
- 1...dxc3
- 1.Qxd4?
- threat
- 2.Qc5#
- 2.Qb6#
- 2.Qb4#
- 1...Bh2
- 2.Qxf6#
- 1...Bg3
- 2.Qxf6#
- 1...Bf4
- 2.Qxf6#
- 2.Qxf4#
- 1...Bc4
- 2.Sxc4#
- 2.Sxb7#
- 2.Qc5#
- 2.Qb6#
- 1...Bb5
- 2.Sxb7#
- 2.Qc5#
- 2.Qb4#
- 1...b6
- 2.Rc6#
- 2.Qxb6#
- 2.Qb4#
- 1...Bxd4!
- threat
- 1.c4?
- threat
- 2.c5#
- 1...Bxc4
- 2.Sxb7#
- 1...Bh2
- 2.Qxh2#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...b6
- 2.Rc6#
- 1...dxc4!
- threat
- 1.Bf5?
- Keys
- 1.gxf6!
- 1...Bxf6+
- 2.Qxf6#
- 1...dxc3
- 2.Qb4#
- 1...dxe3
- 2.Qb4#
- 1...Bh2
- 2.Qxh2#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Bf1
- 2.Sxb7#
- 1...Be2
- 2.Sxb7#
- 1...Bd3
- 2.Sxb7#
- 1...Bc4
- 2.Sxb7#
- 1...Bb5
- 2.Sxb7#
- 1...d3
- 2.Qb4#
- 1...b5
- 2.Rc6#
- 1...b6
- 2.Rc6#
- 1...Bxf6+
- 1.gxf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);OGATEB::QAB(G),XB(c)
- B(e);N_GUARD::S(H),XP(h)
- P(a);OGATE,XP(D)::QAB(G)
- P(a);OGATE,XP(E)::QAB(G)
- P(a);OGATE::QAB(G)
- P(h);N_GUARD::R1(L)
- Tries
- Try
- B(K);
- Vars
- P(a);OGATE,XP(D)::QAB(G)
- P(a);OGATE,XP(E)::QAB(G)
- B(c);OGATEB::QAB(G),XB(c)
- B(e);N_GUARD::S(H),XP(h)
- P(a);OGATE::QAB(G)
- P(h);N_GUARD::R1(L)
- Refutation
- P(g);XP(I)
- Try
- Q(G);P_PINP(b),XP(a)
- Threat
- DUALS(3)
- Vars
- B(c);OGATE::QAR2(G),XP(g)
- Refutation
- B(c);N_SPINP(b),XQ(G)
- Try
- P(D);
- Threat
- P(D)
- Vars
- B(e);N_GUARD,XP(D)::S(H),XP(h)
- B(c);OGATEB::QAB(G),XB(c)
- P(h);N_GUARD::R1(L)
- Refutation
- P(b);XP(D)
- Try
- Actual
- P(I);XP(g)
- Vars
- B(c);CHECK,OGATE,XP(I)::QAR2(G),XB(c)
- P(a);OGATE,XP(D)::QAB(G)
- P(a);OGATE,XP(E)::QAB(G)
- B(c);OGATEB::QAB(G),XB(c)
- B(e);N_GUARD::S(H),XP(h)
- P(a);OGATE::QAB(G)
- P(h);N_GUARD::R1(L)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).