MESON Chess Problem Database
Problem Display
PID: 49653 (8/1P2N1Bk/5P2/4p3/p3N2b/Pr4R1/QP2P1PP/4K2R w K - 0 1)
Gruber, Bratoljub
Mat Plus, 1995
#2
14 + 5
SOLUTION
- SOUND
- Sets
- 1...Rxb2
- 2.Qg8#
- 1...Rxa3
- 2.Qg8#
- 1...Rc3
- 2.Qg8#
- 1...Rd3
- 2.Qg8#
- 1...Re3
- 2.Qg8#
- 1...Rf3
- 2.Qg8#
- 1...Rxg3
- 2.Qg8#
- 1...Rb4
- 2.Qg8#
- 1...Rb5
- 2.Qg8#
- 1...Rb6
- 2.Qg8#
- 1...Rxb7
- 2.Qg8#
- 1...Bxg3+
- 2.hxg3#
- 1...Bg5
- 2.Sxg5#
- 1...Bxf6
- 2.Sxf6#
- 1...Rxb2
- Tries
- 1.Kd1?
- 1...Rxb2
- 2.Qg8#
- 1...Rxa3
- 2.Qg8#
- 1...Rxg3
- 2.Qg8#
- 1...Rxb7
- 2.Qg8#
- 1...Bxg3
- 2.Sg5#
- 2.hxg3#
- 1...Bxf6
- 2.Sxf6#
- 1...Rc3
- 2.Qg8#
- 1...Re3
- 2.Qg8#
- 1...Rf3
- 2.Qg8#
- 1...Rb4
- 2.Qg8#
- 1...Rb5
- 2.Qg8#
- 1...Rb6
- 2.Qg8#
- 1...Bg5
- 2.Sxg5#
- 1...Rd3+!
- 1...Rxb2
- 1.Kf1?
- 1...Rxb2
- 2.Qg8#
- 1...Rxa3
- 2.Qg8#
- 1...Rxg3
- 2.Qg8#
- 1...Rxb7
- 2.Qg8#
- 1...Bxg3
- 2.Sg5#
- 2.hxg3#
- 1...Bxf6
- 2.Sxf6#
- 1...Rc3
- 2.Qg8#
- 1...Rd3
- 2.Qg8#
- 1...Re3
- 2.Qg8#
- 1...Rb4
- 2.Qg8#
- 1...Rb5
- 2.Qg8#
- 1...Rb6
- 2.Qg8#
- 1...Bg5
- 2.Sxg5#
- 1...Rf3+!
- 1...Rxb2
- 1.Kf2?
- 1...Bxg3+
- 2.hxg3#
- 1...Rxb2
- 2.Qg8#
- 1...Rxa3
- 2.Qg8#
- 1...Rxg3
- 2.Qg8#
- 1...Rxb7
- 2.Qg8#
- 1...Bxf6
- 2.Sxf6#
- 1...Rc3
- 2.Qg8#
- 1...Rd3
- 2.Qg8#
- 1...Re3
- 2.Qg8#
- 1...Rb4
- 2.Qg8#
- 1...Rb5
- 2.Qg8#
- 1...Rb6
- 2.Qg8#
- 1...Bg5
- 2.Sxg5#
- 1...Rf3+!
- 1...Bxg3+
- 1.Rf1?
- 1...Rxb2
- 2.Qg8#
- 1...Rxa3
- 2.Qg8#
- 1...Rxg3
- 2.Qg8#
- 1...Rxb7
- 2.Qg8#
- 1...Bxf6
- 2.Sxf6#
- 1...Bg5
- 2.Sxg5#
- 1...Rc3
- 2.Qg8#
- 1...Rd3
- 2.Qg8#
- 1...Re3
- 2.Qg8#
- 1...Rf3
- 2.Qg8#
- 1...Rb4
- 2.Qg8#
- 1...Rb5
- 2.Qg8#
- 1...Rb6
- 2.Qg8#
- 1...Bxg3+!
- 1...Rxb2
- 1.Rg1?
- 1...Rxb2
- 2.Qg8#
- 1...Rxa3
- 2.Qg8#
- 1...Rxg3
- 2.Qg8#
- 1...Rxb7
- 2.Qg8#
- 1...Bxf6
- 2.Sxf6#
- 1...Bg5
- 2.Sxg5#
- 1...Rc3
- 2.Qg8#
- 1...Rd3
- 2.Qg8#
- 1...Re3
- 2.Qg8#
- 1...Rf3
- 2.Qg8#
- 1...Rb4
- 2.Qg8#
- 1...Rb5
- 2.Qg8#
- 1...Rb6
- 2.Qg8#
- 1...Bxg3+!
- 1...Rxb2
- 1.Qb1?
- threat
- 2.Sg5#
- 1...Bxg3+
- 2.hxg3#
- 1...Bxf6
- 2.Sxf6#
- 1...Bg5
- 2.Sxg5#
- 1...Rd3!
- threat
- 1.Qxb3?
- threat
- 2.Qg8#
- 1...Bxg3+
- 2.hxg3#
- 1...axb3!
- threat
- 1.e3?
- 1...Bxg3+
- 2.hxg3#
- 1...Rxb2
- 2.Qg8#
- 1...Rxa3
- 2.Qg8#
- 1...Rxb7
- 2.Qg8#
- 1...Bxf6
- 2.Sxf6#
- 1...Bg5
- 2.Sxg5#
- 1...Rc3
- 2.Qg8#
- 1...Rd3
- 2.Qg8#
- 1...Rb4
- 2.Qg8#
- 1...Rb5
- 2.Qg8#
- 1...Rb6
- 2.Qg8#
- 1...Rxe3+!
- 1...Bxg3+
- 1.h3?
- 1...Rxb2
- 2.Qg8#
- 1...Rxa3
- 2.Qg8#
- 1...Rxg3
- 2.Qg8#
- 1...Rxb7
- 2.Qg8#
- 1...Bxf6
- 2.Sxf6#
- 1...Bg5
- 2.Sxg5#
- 1...Rc3
- 2.Qg8#
- 1...Rd3
- 2.Qg8#
- 1...Re3
- 2.Qg8#
- 1...Rf3
- 2.Qg8#
- 1...Rb4
- 2.Qg8#
- 1...Rb5
- 2.Qg8#
- 1...Rb6
- 2.Qg8#
- 1...Bxg3+!
- 1...Rxb2
- 1.b8Q?
- threat
- 2.Qg8#
- 2.Qh8#
- 1...Bxg3+
- 2.hxg3#
- 1...Rxb8!
- threat
- 1.b8S?
- 1...Bxg3+
- 2.hxg3#
- 1...Rxb2
- 2.Qg8#
- 1...Rxa3
- 2.Qg8#
- 1...Rxg3
- 2.Qg8#
- 1...Bxf6
- 2.Sxf6#
- 1...Bg5
- 2.Sxg5#
- 1...Rc3
- 2.Qg8#
- 1...Rd3
- 2.Qg8#
- 1...Re3
- 2.Qg8#
- 1...Rf3
- 2.Qg8#
- 1...Rb4
- 2.Qg8#
- 1...Rb5
- 2.Qg8#
- 1...Rb6
- 2.Qg8#
- 1...Rb7
- 2.Qg8#
- 1...Rxb8!
- 1...Bxg3+
- 1.b8B?
- 1...Bxg3+
- 2.hxg3#
- 1...Rxb2
- 2.Qg8#
- 1...Rxa3
- 2.Qg8#
- 1...Rxg3
- 2.Qg8#
- 1...Bxf6
- 2.Sxf6#
- 1...Bg5
- 2.Sxg5#
- 1...Rc3
- 2.Qg8#
- 1...Rd3
- 2.Qg8#
- 1...Re3
- 2.Qg8#
- 1...Rf3
- 2.Qg8#
- 1...Rb4
- 2.Qg8#
- 1...Rb5
- 2.Qg8#
- 1...Rb6
- 2.Qg8#
- 1...Rb7
- 2.Qg8#
- 1...Rxb8!
- 1...Bxg3+
- 1.b8R?
- threat
- 2.Rh8#
- 1...Bxg3+
- 2.hxg3#
- 1...Rxb8!
- threat
- 1.Kd1?
- Keys
- 1.0-0!
- 1...Rxb2
- 2.Qg8#
- 1...Rxa3
- 2.Qg8#
- 1...Rxg3
- 2.Qg8#
- 1...Rxb7
- 2.Qg8#
- 1...Bxg3
- 2.Sg5#
- 1...Bxf6
- 2.Sxf6#
- 1...Bg5
- 2.Sxg5#
- 1...Rc3
- 2.Qg8#
- 1...Rd3
- 2.Qg8#
- 1...Re3
- 2.Qg8#
- 1...Rf3
- 2.Qg8#
- 1...Rb4
- 2.Qg8#
- 1...Rb5
- 2.Qg8#
- 1...Rb6
- 2.Qg8#
- 1...Rxb2
- 1.0-0!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);OGATE,XP(D)::QAB1(C)
- R(a);OGATE,XP(H)::QAB1(C)
- R(a);OGATE::QAB1(C)
- R(a);OGATE,P_PINP(E)::QAB1(C)
- R(a);OGATE,XR(I)::QAB1(C)
- R(a);OGATE,XP(L)::QAB1(C)
- B(c);CHECK,OGATE,XR(I)::R(B)+P(G),XB(c)
- B(c);N_GUARD,N_PINR(I)::S(J),XB(c)
- B(c);N_PINR(I),XP(K)::S(J),XB(c)
- Tries
- Try
- K(A);N_SPINR(I),P-FLIGHT
- Vars
- R(a);OGATE,XP(D)::QAB1(C)
- R(a);OGATE,XP(H)::QAB1(C)
- R(a);OGATE,XR(I)::QAB1(C)
- R(a);OGATE,XP(L)::QAB1(C)
- B(c);XP(K)::S(J),XB(c)
- R(a);OGATE::QAB1(C)
- B(c);N_GUARD::S(J),XB(c)
- Refutation
- R(a);CHECK
- Try
- K(A);N_SPINR(I),P-FLIGHT
- Vars
- R(a);OGATE,XP(D)::QAB1(C)
- R(a);OGATE,XP(H)::QAB1(C)
- R(a);OGATE,XR(I)::QAB1(C)
- R(a);OGATE,XP(L)::QAB1(C)
- B(c);XP(K)::S(J),XB(c)
- R(a);OGATE::QAB1(C)
- B(c);N_GUARD::S(J),XB(c)
- Refutation
- R(a);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- B(c);CHECK,OGATE,XR(I)::R(B)+P(G),XB(c)
- R(a);OGATE,P_PINP(E),XP(D)::QAB1(C)
- R(a);OGATE,XP(H)::QAB1(C)
- R(a);OGATE,XR(I)::QAB1(C)
- R(a);OGATE,XP(L)::QAB1(C)
- B(c);N_PINR(I),XP(K)::S(J),XB(c)
- R(a);OGATE::QAB1(C)
- B(c);N_GUARD,N_PINR(I)::S(J),XB(c)
- Refutation
- R(a);CHECK
- Try
- R(B);
- Vars
- R(a);OGATE,XP(D)::QAB1(C)
- R(a);OGATE,XP(H)::QAB1(C)
- R(a);OGATE,XR(I)::QAB1(C)
- R(a);OGATE,XP(L)::QAB1(C)
- B(c);N_PINR(I),XP(K)::S(J),XB(c)
- B(c);N_GUARD,N_PINR(I)::S(J),XB(c)
- R(a);OGATE::QAB1(C)
- R(a);OGATE,P_PINP(E)::QAB1(C)
- Refutation
- B(c);CHECK,XR(I)
- Try
- R(B);
- Vars
- R(a);OGATE,XP(D)::QAB1(C)
- R(a);OGATE,XP(H)::QAB1(C)
- R(a);OGATE,XR(I)::QAB1(C)
- R(a);OGATE,XP(L)::QAB1(C)
- B(c);N_PINR(I),XP(K)::S(J),XB(c)
- B(c);N_GUARD,N_PINR(I)::S(J),XB(c)
- R(a);OGATE::QAB1(C)
- R(a);OGATE,P_PINP(E)::QAB1(C)
- Refutation
- B(c);CHECK,XR(I)
- Try
- Q(C);
- Threat
- QAB(C)+S(J),DCHECK
- Vars
- B(c);CHECK,OGATE,XR(I)::R(B)+P(G),XB(c)
- B(c);N_PINR(I),XP(K)::QAB(C)+S(J),DCHECK,XB(c)
- B(c);N_PINR(I)::QAB(C)+S(J),DCHECK,XB(c)
- Refutation
- R(a);
- Try
- Q(C);XR(a)
- Threat
- QAB1(C)
- Vars
- B(c);CHECK,OGATE,XR(I)::R(B)+P(G),XB(c)
- Refutation
- P(b);XQ(C)
- Try
- P(E);
- Vars
- B(c);CHECK,OGATE,XR(I)::R(B)+P(G),XB(c)
- R(a);OGATE,XP(D)::QAB1(C)
- R(a);OGATE,XP(H)::QAB1(C)
- R(a);OGATE,XP(L)::QAB1(C)
- B(c);N_PINR(I),XP(K)::S(J),XB(c)
- B(c);N_GUARD,N_PINR(I)::S(J),XB(c)
- R(a);OGATE::QAB1(C)
- Refutation
- R(a);CHECK,XP(E)
- Try
- P(G);
- Vars
- R(a);OGATE,XP(D)::QAB1(C)
- R(a);OGATE,XP(H)::QAB1(C)
- R(a);OGATE,XR(I)::QAB1(C)
- R(a);OGATE,XP(L)::QAB1(C)
- B(c);N_PINR(I),XP(K)::S(J),XB(c)
- B(c);N_GUARD,N_PINR(I)::S(J),XB(c)
- R(a);OGATE::QAB1(C)
- R(a);OGATE,P_PINP(E)::QAB1(C)
- Refutation
- B(c);CHECK,XR(I)
- Try
- P(L);
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,OGATE,XR(I)::R(B)+P(G),XB(c)
- Refutation
- R(a);XQ(L)
- Try
- P(L);
- Vars
- B(c);CHECK,OGATE,XR(I)::R(B)+P(G),XB(c)
- R(a);OGATE,XP(D)::QAB1(C)
- R(a);OGATE,XP(H)::QAB1(C)
- R(a);OGATE,XR(I)::QAB1(C)
- B(c);N_PINR(I),XP(K)::S(J),XB(c)
- B(c);N_GUARD,N_PINR(I)::S(J),XB(c)
- R(a);OGATE::QAB1(C)
- R(a);OGATE,P_PINP(E)::QAB1(C)
- Refutation
- R(a);XS(L)
- Try
- P(L);
- Vars
- B(c);CHECK,OGATE,XR(I)::R(B)+P(G),XB(c)
- R(a);OGATE,XP(D)::QAB1(C)
- R(a);OGATE,XP(H)::QAB1(C)
- R(a);OGATE,XR(I)::QAB1(C)
- B(c);N_PINR(I),XP(K)::S(J),XB(c)
- B(c);N_GUARD,N_PINR(I)::S(J),XB(c)
- R(a);OGATE::QAB1(C)
- R(a);OGATE,P_PINP(E)::QAB1(C)
- Refutation
- R(a);XB(L)
- Try
- P(L);
- Threat
- R1(L)
- Vars
- B(c);CHECK,OGATE,XR(I)::R(B)+P(G),XB(c)
- Refutation
- R(a);XR(L)
- Try
- Actual
- K(A);0-0,N_SPINR(I)
- Vars
- R(a);OGATE,XP(D)::QAB1(C)
- R(a);OGATE,XP(H)::QAB1(C)
- R(a);OGATE,P_PINP(F),XR(I)::QAB1(C)
- R(a);OGATE,XP(L)::QAB1(C)
- B(c);N_GUARD,XR(I)::S(J)
- B(c);XP(K)::S(J),XB(c)
- B(c);N_GUARD::S(J),XB(c)
- R(a);OGATE::QAB1(C)
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).