MESON Chess Problem Database
Problem Display
PID: 150178 (3b2Q1/P4p1r/n3B1Pp/3P4/2K1kP1R/2pNPr1p/4PB2/5NR1 w - - 0 1)
Abramenko, Sergey Petrovich
SuperProblem TT, 2012
#2
14 + 9
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Sxf2#
- 1...Rg3
- 2.Sxg3#
- 1...Rxf4
- 2.Sg3#
- 2.Rxf4#
- 1...Sb4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sc7
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...c2
- 2.Sd2#
- 1...fxe6
- 2.Qxe6#
- 1...fxg6
- 2.Qxg6#
- 1...Rxf2
- Tries
- 1.Bg4?
- threat
- 2.exf3#
- 1...Rxf2
- 2.Sxf2#
- 1...Rxf4
- 2.Sg3#
- 1...Rg3
- 2.Sxg3#
- 1...Rxe3!
- threat
- 1.Rxh3?
- threat
- 2.exf3#
- 1...Rxf2
- 2.Sxf2#
- 1...Rxe3
- 2.Rxe3#
- 1...Rxf4
- 2.Sg3#
- 1...fxe6
- 2.Qxe6#
- 1...Rg3
- 2.Sxg3#
- 1...Rxh3!
- threat
- 1.Rh5?
- threat
- 2.Bf5#
- 2.Re5#
- 1...Rxf4
- 2.Sg3#
- 2.Re5#
- 1...fxe6
- 2.Re5#
- 2.Qxe6#
- 1...fxg6
- 2.Re5#
- 2.Qxg6#
- 1...Bf6
- 2.Bf5#
- 1...Bc7
- 2.Bf5#
- 1...f5
- 2.Bxf5#
- 1...f6
- 2.Bf5#
- 1...Bg5!
- threat
- 1.f5+?
- 1...Rf4
- 2.Sg3#
- 2.Rxf4#
- 1...Bxh4!
- 1...Rf4
- 1.d6?
- threat
- 2.a8Q#
- 2.a8B#
- 1...Rxf2
- 2.Sxf2#
- 2.a8Q#
- 2.a8B#
- 1...Rxe3
- 2.a8Q#
- 2.a8B#
- 1...Rxf4
- 2.Sg3#
- 2.Rxf4#
- 2.a8Q#
- 2.a8B#
- 1...Bxh4
- 2.Qa8#
- 2.a8Q#
- 2.a8B#
- 1...fxe6
- 2.Qxe6#
- 1...fxg6
- 2.Qxg6#
- 1...Rg7
- 2.a8Q#
- 2.a8B#
- 1...Rg3
- 2.Sxg3#
- 2.a8Q#
- 2.a8B#
- 1...Rh8
- 2.a8Q#
- 2.a8B#
- 1...Ba5
- 2.Qa8#
- 2.a8Q#
- 2.a8B#
- 1...Bg5
- 2.Qa8#
- 2.a8Q#
- 2.a8B#
- 1...Bb6
- 2.Qa8#
- 2.a8Q#
- 2.a8B#
- 1...Bf6
- 2.Qa8#
- 2.a8Q#
- 2.a8B#
- 1...Bc7
- 2.Qa8#
- 2.a8Q#
- 2.a8B#
- 1...Be7
- 2.Qa8#
- 2.a8Q#
- 2.a8B#
- 1...Sb4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sc7
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...c2
- 2.Sd2#
- 2.a8Q#
- 2.a8B#
- 1...h2
- 2.a8Q#
- 2.a8B#
- 1...h5
- 2.a8Q#
- 2.a8B#
- 1...f5
- 2.Bd5#
- 1...f6!
- threat
- 1.Bg4?
- Keys
- 1.Rg3!
- threat
- 2.exf3#
- 1...Rxf2
- 2.Sxf2#
- 1...Rxe3
- 2.Rxe3#
- 1...Rxg3
- 2.Sxg3#
- 1...Rxf4
- 2.Rxf4#
- 1...fxe6
- 2.Qxe6#
- threat
- 1.Rg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(b);XB(D)::S(E),XR(b)
- R(b);N_GUARD::S(A),XR(b)
- S(e);N_GUARD::S(E)
- S(e);N_GUARD::S(E),XS(e)
- P(a);N_GUARD::S(A)
- P(g);OGATE,XB(K)::QAR2(N),XP(g)
- P(g);OGATE,XP(L)::QAB(N),XP(g)
- Tries
- Try
- B(K);
- Threat
- P(C),XR(b)
- Vars
- R(b);XB(D)::S(E),XR(b)
- R(b);N_GUARD,XP(H)::S(A)
- R(b);N_GUARD::S(A),XR(b)
- Refutation
- R(b);XP(F)
- Try
- R(I);XP(c)
- Threat
- P(C),XR(b)
- Vars
- R(b);XB(D)::S(E),XR(b)
- R(b);OGATE,XP(F)::R1(I),XR(b)
- R(b);N_GUARD,XP(H)::S(A)
- P(g);OGATE,XB(K)::QAR2(N),XP(g)
- R(b);N_GUARD::S(A),XR(b)
- Refutation
- R(b);XR(I)
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- B(i);::B(K)
- P(g);::B(K),XP(g)
- P(g);::B(K)
- Refutation
- B(i);
- Try
- P(H);CHECK
- Refutation
- B(i);XR(I)
- Try
- P(J);
- Threat
- P=Q
- Vars
- R(b);XP(F)::P=Q
- P(g);OGATE,XB(K)::QAR2(N),XP(g)
- P(g);OGATE,XP(L)::QAB(N),XP(g)
- R(h);::P=Q
- S(e);N_GUARD::S(E)
- S(e);N_GUARD::S(E),XS(e)
- P(c);::P=Q
- P(f);::P=Q
- P(g);SBLOCK::B(K)
- Refutation
- P(g);
- Try
- Actual
- R(B);
- Threat
- P(C),XR(b)
- Vars
- R(b);XB(D)::S(E),XR(b)
- R(b);OGATE,XP(F)::R1(B),XR(b)
- R(b);XR(B)::S(A),XR(b)
- R(b);OGATE,P_SPINR(b),XP(H)::R1(I),XR(b)
- P(g);OGATE,XB(K)::QAR2(N),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).