MESON Chess Problem Database
Problem Display
PID: 150105 (3Q1K2/1pp1p3/5P2/1P1P1R2/RP1kN3/b2p1r2/3N1P2/6B1 w - - 0 1)
Abramenko, Sergey Petrovich
SuperProblem, 2012
#2
12 + 7
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Bxf2#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Rxf5
- 2.f4#
- 1...Bxb4
- 2.Rxb4#
- 1...c5
- 2.dxc5 ep#
- 1...c6
- 2.dxc6#
- 1...exf6
- 2.Qxf6#
- 1...e5
- 2.dxe5 ep#
- 1...e6
- 2.dxe6#
- 1...Rxf2
- Tries
- 1.Rxa3?
- 1...Rxf2
- 2.Bxf2#
- 1...Rxf5
- 2.f4#
- 1...exf6
- 2.Qxf6#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...c5
- 2.dxc5 ep#
- 1...c6
- 2.dxc6#
- 1...e5
- 2.dxe5 ep#
- 1...e6
- 2.dxe6#
- 1...b6!
- 1...Rxf2
- 1.Qxc7?
- threat
- 2.Qe5#
- 2.Qb6#
- 2.Qc3#
- 2.Qc4#
- 2.Qc5#
- 1...Rxf2
- 2.Bxf2#
- 2.Qb6#
- 2.Qc5#
- 1...exf6
- 2.Qb6#
- 2.Qc3#
- 2.Qc4#
- 2.Qc5#
- 1...e5
- 2.Qxe5#
- 2.Qc4#
- 2.Qc5#
- 1...Bb2
- 2.Qe5#
- 2.Qb6#
- 2.Qc4#
- 2.Qc5#
- 1...b6
- 2.Qe5#
- 2.Qxb6#
- 2.Qc3#
- 2.Qc4#
- 1...Rxf5!
- threat
- 1.Qxe7?
- threat
- 2.Qc5#
- 2.Qe5#
- 1...Rxf2
- 2.Bxf2#
- 2.Qc5#
- 1...Bxb4
- 2.Rxb4#
- 2.Qxb4#
- 2.Qc5#
- 1...b6
- 2.Qe5#
- 1...c5
- 2.Qxc5#
- 2.Qe5#
- 1...Rxf5!
- threat
- 1.Rxa3?
- Keys
- 1.b6!
- 1...Rxf2
- 2.Bxf2#
- 1...Rxf5
- 2.f4#
- 1...Bxb4
- 2.Rxb4#
- 1...cxb6
- 2.Qxb6#
- 1...exf6
- 2.Qxf6#
- 1...Bc1
- 2.b5#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Bb2
- 2.b5#
- 1...c5
- 2.dxc5 ep#
- 1...c6
- 2.dxc6#
- 1...e5
- 2.dxe5 ep#
- 1...e6
- 2.dxe6#
- 1...Rxf2
- 1.b6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(c);OGATE,P_SPINR(c),XP(C)::B(A),XR(c)
- R(c);OGATE::P(C),XR(c)
- R(c);OGATE::B(A)+P(C),XR(c)
- R(c);OGATE::B(A)+P(C)
- R(c);OGATE,P_PINP(J),XR(I)::B(A)+P(C)
- B(a);OGATE,P_SPINB(a),XP(E)::R(D),XB(a)
- P(f);OGATE::QAR(K)+P(H),XP(f),EP
- P(f);OGATE::QAR(K)+P(H),XP(f)
- P(g);OGATE,P_PINP(E),XP(J)::QAB(K),XP(g)
- P(g);OGATE,P_PINP(E)::QAR(K)+P(H),XP(g),EP
- P(g);OGATE,P_PINP(E)::QAR(K)+P(H),XP(g)
- Tries
- Try
- R(D);XB(a)
- Vars
- R(c);OGATE,P_SPINR(c),XP(C)::B(A),XR(c)
- R(c);OGATE,P_PINP(J),XR(I)::B(A)+P(C)
- P(g);OGATE,XP(J)::QAB(K),XP(g)
- R(c);OGATE::P(C),XR(c)
- R(c);OGATE::B(A)+P(C),XR(c)
- R(c);OGATE::B(A)+P(C)
- P(f);OGATE::QAR(K)+P(H),XP(f),EP
- P(f);OGATE::QAR(K)+P(H),XP(f)
- P(g);OGATE::QAR(K)+P(H),XP(g),EP
- P(g);OGATE::QAR(K)+P(H),XP(g)
- Refutation
- P(e);
- Try
- Q(K);XP(f)
- Threat
- DUALS(5)
- Refutation
- R(c);P_PINP(J),XR(I)
- Try
- Q(K);XP(g)
- Threat
- DUALS(2)
- Vars
- P(e);::QAB1(K)
- Refutation
- R(c);P_PINP(J),XR(I)
- Try
- Actual
- P(G);
- Vars
- R(c);OGATE,P_SPINR(c),XP(C)::B(A),XR(c)
- R(c);OGATE,P_PINP(J),XR(I)::B(A)+P(C)
- B(a);OGATE,P_SPINB(a),XP(E)::R(D),XB(a)
- P(f);OGATE,XP(G)::QAB(K),XP(f)
- P(g);OGATE,P_PINP(E),XP(J)::QAB(K),XP(g)
- B(a);N_GUARD::R(D)+P(E)
- R(c);OGATE::P(C),XR(c)
- R(c);OGATE::B(A)+P(C),XR(c)
- R(c);OGATE::B(A)+P(C)
- P(f);OGATE::QAR(K)+P(H),XP(f),EP
- P(f);OGATE::QAR(K)+P(H),XP(f)
- P(g);OGATE,P_PINP(E)::QAR(K)+P(H),XP(g),EP
- P(g);OGATE,P_PINP(E)::QAR(K)+P(H),XP(g)
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).