MESON Chess Problem Database
Problem Display
PID: 276099 (4B2b/6rP/R3rk2/4qN1P/4PR1P/8/5NP1/B4Q1K w - - 0 1)
Garaj, Ivan
Sarkits, Anatoly L
Pat a Mat, 2003
#2
13 + 5
| 15601 | Albrecht-Leiss-Degener Collection | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Qxa1
- 2.Qxa1#
- 1...Qb2
- 2.Bxb2#
- 1...Qc3
- 2.Bxc3#
- 1...Qd4
- 2.Bxd4#
- 1...Rxa6
- 2.Qxa6#
- 1...Rb6
- 2.Rxb6#
- 1...Rc6
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 1...Rg4
- 2.Sxg4#
- 1...Ra7
- 2.Sg4#
- 1...Rb7
- 2.Sg4#
- 1...Rc7
- 2.Sg4#
- 1...Rd7
- 2.Sg4#
- 1...Re7
- 2.Sg4#
- 1...Rf7
- 2.Sg4#
- 1...Rxh7
- 2.Sg4#
- 1...Rg8
- 2.hxg8S#
- 1...Qxa1
- Tries
- 1.Sd3?
- threat
- 2.Bxe5#
- 1...Qxa1
- 2.Qxa1#
- 1...Rb6
- 2.Rxb6#
- 1...Rc6
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 1...Qb2
- 2.Bxb2#
- 1...Qc3
- 2.Bxc3#
- 1...Qd4
- 2.Bxd4#
- 1...Rxa6!
- threat
- 1.Sd4+?
- 1...Qxf4
- 2.Rxe6#
- 1...Qf5
- 2.Sxf5#
- 2.Rxe6#
- 1...Ke7!
- 1...Qxf4
- 1.Bg6?
- threat
- 2.Sg4#
- 1...Rxa6
- 2.Qxa6#
- 1...Rb6
- 2.Rxb6#
- 1...Rc6
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 1...Rxg6!
- threat
- 1.Qd3?
- 1...Rxa6
- 2.Qxa6#
- 1...Rxg2
- 2.Qd8#
- 1...Rxh7
- 2.Sg4#
- 1...Qb2
- 2.Bxb2#
- 1...Qc3
- 2.Bxc3#
- 2.Qxc3#
- 1...Qd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Rb6
- 2.Rxb6#
- 1...Rc6
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Rg3
- 2.Qd8#
- 1...Rg4
- 2.Sxg4#
- 2.Qd8#
- 1...Rg5
- 2.Qd8#
- 1...Rg6
- 2.Qd8#
- 1...Ra7
- 2.Sg4#
- 1...Rb7
- 2.Sg4#
- 1...Rc7
- 2.Sg4#
- 1...Rd7
- 2.Sg4#
- 1...Re7
- 2.Sg4#
- 1...Rf7
- 2.Sg4#
- 1...Rg8
- 2.Qd8#
- 2.hxg8S#
- 1...Qxa1+!
- 1...Rxa6
- 1.Qc4?
- threat
- 2.Rxe6#
- 2.Qxe6#
- 1...Rxa6
- 2.Qxa6#
- 1...Rb6
- 2.Rxb6#
- 1...Rc6
- 2.Rxc6#
- 2.Qxc6#
- 1...Rd6
- 2.Rxd6#
- 1...Re7
- 2.Sg4#
- 1...Qxa1+!
- threat
- 1.Qb5?
- threat
- 2.Bxe5#
- 2.Qxe5#
- 1...Rxa6
- 2.Qxa6#
- 2.Qxe5#
- 1...Rb6
- 2.Rxb6#
- 2.Qxe5#
- 2.Qxb6#
- 1...Rc6
- 2.Rxc6#
- 2.Qxc6#
- 2.Qxe5#
- 1...Rd6
- 2.Rxd6#
- 2.Qxe5#
- 1...Qb2
- 2.Bxb2#
- 2.Qxb2#
- 1...Qc3
- 2.Bxc3#
- 1...Qd4
- 2.Bxd4#
- 1...Qxa1+!
- threat
- 1.Qd1?
- 1...Qxa1
- 2.Qxa1#
- 1...Rxg2
- 2.Qd8#
- 1...Rxh7
- 2.Sg4#
- 1...Qb2
- 2.Bxb2#
- 1...Qc3
- 2.Bxc3#
- 1...Qd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Rb6
- 2.Rxb6#
- 1...Rc6
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Rg3
- 2.Qd8#
- 1...Rg4
- 2.Sxg4#
- 2.Qd8#
- 1...Rg5
- 2.Qd8#
- 1...Rg6
- 2.Qd8#
- 1...Ra7
- 2.Sg4#
- 1...Rb7
- 2.Sg4#
- 1...Rc7
- 2.Sg4#
- 1...Rd7
- 2.Sg4#
- 1...Re7
- 2.Sg4#
- 1...Rf7
- 2.Sg4#
- 1...Rg8
- 2.Qd8#
- 2.hxg8S#
- 1...Rxa6!
- 1...Qxa1
- 1.Sd3?
- Keys
- 1.Rg4!
- 1...Qxa1
- 2.Qxa1#
- 1...Rxa6
- 2.Qxa6#
- 1...Rxg4
- 2.Sxg4#
- 1...Rxh7
- 2.Rg6#
- 1...Qb2
- 2.Bxb2#
- 1...Qc3
- 2.Bxc3#
- 1...Qd4
- 2.Bxd4#
- 1...Rb6
- 2.Rxb6#
- 1...Rc6
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 1...Rg5
- 2.hxg5#
- 1...Rg6
- 2.Rxg6#
- 1...Ra7
- 2.Rg6#
- 1...Rb7
- 2.Rg6#
- 1...Rc7
- 2.Rg6#
- 1...Rd7
- 2.Rg6#
- 1...Re7
- 2.Rg6#
- 1...Rf7
- 2.Rg6#
- 1...Rg8
- 2.hxg8S#
- 1...Qxa1
- 1.Rg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 7
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(a);N_SPINQ(a),OGATE,P_PINQ(B),XB(A)::QAB(B),XQ(a)
- Q(a);OGATEB::B(A),XQ(a)
- R(b);N_SPINR(b),OGATE,XR(K)::QAR(B),XR(b)
- R(b);OGATEB::R(K),XR(b)
- R(d);N_GUARD::S(D),XR(d)
- R(d);N_GUARD::S(D)
- R(d);N_GUARD,XP(L)::S(D)
- R(d);OGATE::PXR(d)=S
- Tries
- Try
- S(D);
- Threat
- B(A),XQ(a)
- Vars
- Q(a);N_SPINQ(a),OGATE,P_PINQ(B),XB(A)::QAB(B),XQ(a)
- R(b);OGATEB::R(K),XR(b)
- Q(a);OGATEB::B(A),XQ(a)
- Refutation
- R(b);N_SPINR(b),XR(K)
- Try
- S(I);CHECK,N_PINQ(a)
- Vars
- Q(a);XR(G)::R1(K),XR(b)
- Refutation
- K(c);N_SPINR(b),S_FLIGHT
- Try
- B(M);
- Threat
- S(D)
- Vars
- R(b);N_SPINR(b),OGATE,XR(K)::QAR(B),XR(b)
- R(b);OGATEB::R(K),XR(b)
- Refutation
- R(d);XB(M)
- Try
- Q(B);
- Vars
- R(b);N_SPINR(b),OGATE,XR(K)::QAR(B),XR(b)
- R(d);N_GUARD,XP(E)::QAB(B)
- R(d);N_GUARD,XP(L)::S(D)
- Q(a);OGATEB::B(A),XQ(a)
- R(b);OGATEB::R(K),XR(b)
- R(d);N_GUARD::QAB(B)
- R(d);N_GUARD::S(D)
- Refutation
- Q(a);CHECK,N_SPINQ(a),XB(A)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(b);N_SPINR(b),OGATE,XR(K)::QAR(B),XR(b)
- R(b);OGATEB::R(K),XR(b)
- R(d);N_GUARD::S(D)
- Refutation
- Q(a);CHECK,N_SPINQ(a),XB(A)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(a);OGATEB::B(A),XQ(a)
- Refutation
- Q(a);CHECK,N_SPINQ(a),XB(A)
- Try
- Q(B);
- Vars
- Q(a);N_SPINQ(a),OGATE,P_PINQ(B),XB(A)::QAB(B),XQ(a)
- R(d);N_GUARD,XP(E)::QAB(B)
- R(d);N_GUARD,XP(L)::S(D)
- Q(a);OGATEB::B(A),XQ(a)
- R(b);OGATEB::R(K),XR(b)
- R(d);N_GUARD::QAB(B)
- R(d);N_GUARD::S(D)
- Refutation
- R(b);N_SPINR(b),XR(K)
- Try
- Actual
- R(G);
- Vars
- Q(a);N_SPINQ(a),OGATE,P_PINQ(B),XB(A)::QAB(B),XQ(a)
- R(b);N_SPINR(b),OGATE,XR(K)::QAR(B),XR(b)
- R(d);XR(G)::S(D),XR(d)
- R(d);N_GUARD,XP(L)::R1(G)
- Q(a);OGATEB::B(A),XQ(a)
- R(b);OGATEB::R(K),XR(b)
- R(d);OGATE::P(H),XR(d)
- R(d);N_GUARD::R1(G),XR(d)
- R(d);N_GUARD::R1(G)
- R(d);OGATE::PXR(d)=S
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).