MESON Chess Problem Database
Problem Display
PID: 59188 (1B6/2K3Nn/p2N2Br/6Pp/1p3k1P/r1QP1p1P/b1nP1P2/6q1 w - - 0 1)
Anyos, Laszlo
Sakkelet, 1989
#2
12 + 11
| 1099 | WCSC | 1988 |
| 5396 | World Chess Solving Championship 1977-1996 | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Se6#
- 1...Rxg6
- 2.Sxh5#
- 1...Bb1
- 2.Se6#
- 1...Be6
- 2.Sxe6#
- 1...Sa1
- 2.Qd4#
- 1...Se1
- 2.Qd4#
- 1...Se3
- 2.Qd4#
- 2.dxe3#
- 1...Sd4
- 2.Qxd4#
- 1...Sxg5
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sf8
- 2.Qf6#
- 1...b3
- 2.Se6#
- 1...Rb3
- Tries
- 1.Kb6?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Qxg5
- 2.Sdf5#
- 1...Rxc3
- 2.Sc4#
- 1...Rxg6
- 2.Sxh5#
- 1...Qe1
- 2.Se4#
- 1...Ra5
- 2.Sb5#
- 1...Bc4
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Bf7
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sxf7#
- 2.Sc8#
- 2.Sde8#
- 1...Qxf2+!
- threat
- 1.Kc6?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Rxc3+
- 2.Sc4#
- 1...Sd4+
- 2.Qxd4#
- 1...Qxg5
- 2.Sdf5#
- 1...Rxg6
- 2.Sxh5#
- 1...Qe1
- 2.Se4#
- 1...Ra5
- 2.Sb5#
- 1...Bc4
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Bf7
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sxf7#
- 2.Sc8#
- 2.Sde8#
- 1...Bd5+!
- threat
- 1.Kb7?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Qxg5
- 2.Sdf5#
- 1...Rxc3
- 2.Sc4#
- 1...Rxg6
- 2.Sxh5#
- 1...Qe1
- 2.Se4#
- 1...Ra5
- 2.Sb5#
- 1...Bc4
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Bf7
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sxf7#
- 2.Sc8#
- 2.Sde8#
- 1...Bd5+!
- threat
- 1.Kd7?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Qg4+
- 2.Sdf5#
- 1...Be6+
- 2.Sxe6#
- 1...Sf6+
- 2.Qxf6#
- 1...Qxg5
- 2.Sdf5#
- 1...Rxc3
- 2.Sc4#
- 1...Rxg6
- 2.Sxh5#
- 1...Qe1
- 2.Se4#
- 1...Ra5
- 2.Sb5#
- 1...Bc4
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Bf7
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sxf7#
- 2.Sc8#
- 2.Sde8#
- 1...Sf8+!
- threat
- 1.Kd8?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Rxc3
- 2.Sc4#
- 1...Rxg6
- 2.Sxh5#
- 1...Qe1
- 2.Se4#
- 1...Ra5
- 2.Sb5#
- 1...Bc4
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 1...Bf7
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sxf7#
- 2.Sc8#
- 2.Sde8#
- 1...Qxg5+!
- threat
- 1.Sc4?
- threat
- 2.Kb6#
- 2.Kc6#
- 2.Kb7#
- 2.Kd7#
- 2.Kc8#
- 2.Kd8#
- 2.Se6#
- 2.Qe5#
- 1...Qxf2
- 2.Kc6#
- 2.Kb7#
- 2.Kd7#
- 2.Kc8#
- 2.Kd8#
- 2.Qe5#
- 1...Qxg5
- 2.Se6#
- 1...Rxc3
- 2.Kb6#
- 2.Kc6#
- 2.Kb7#
- 2.Kd7#
- 2.Kc8#
- 2.Kd8#
- 2.Se6#
- 1...Rxg6
- 2.Qe5#
- 1...Bxc4
- 2.Kb6#
- 2.Kc6#
- 2.Kb7#
- 2.Kd7#
- 2.Kc8#
- 2.Kd8#
- 1...Sxg5
- 2.Kb6#
- 2.Kc6#
- 2.Kb7#
- 2.Kd7#
- 2.Kc8#
- 2.Kd8#
- 2.Qe5#
- 2.Qf6#
- 1...bxc3
- 2.Kb6#
- 2.Kc6#
- 2.Kb7#
- 2.Kd7#
- 2.Kc8#
- 2.Kd8#
- 2.Se6#
- 1...Qa1
- 2.Kb6#
- 2.Kc6#
- 2.Kb7#
- 2.Kd7#
- 2.Kc8#
- 2.Kd8#
- 2.Se6#
- 1...Qg4
- 2.Kb6#
- 2.Kc6#
- 2.Kb7#
- 2.Kd8#
- 2.Qe5#
- 1...Ra5
- 2.Se6#
- 1...Sd4
- 2.Kb6#
- 2.Kb7#
- 2.Kd7#
- 2.Kc8#
- 2.Kd8#
- 2.Qxd4#
- 1...Sf6
- 2.Kb6#
- 2.Kc6#
- 2.Kb7#
- 2.Kc8#
- 2.Kd8#
- 2.Se6#
- 2.Qe5#
- 2.Qxf6#
- 1...Sf8
- 2.Kb6#
- 2.Kc6#
- 2.Kb7#
- 2.Kc8#
- 2.Kd8#
- 2.Qe5#
- 2.Qf6#
- 1...Qe1!
- threat
- 1.Qc4+?
- 1...Ke5
- 2.Sf7#
- 2.Qe4#
- 1...Sd4
- 2.Qxd4#
- 1...Bxc4!
- 1...Ke5
- 1.Kb6?
- Keys
- 1.Kc8!
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sde8#
- 1...Qg4+
- 2.Sdf5#
- 1...Rxc3+
- 2.Sc4#
- 1...Be6+
- 2.Sxe6#
- 1...Qxg5
- 2.Sdf5#
- 1...Rxg6
- 2.Sxh5#
- 1...Qe1
- 2.Se4#
- 1...Ra5
- 2.Sb5#
- 1...Bc4
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sde8#
- 1...Bf7
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sdf5#
- 2.Sb7#
- 2.Sxf7#
- 2.Sde8#
- threat
- 1.Kc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 9
- Sets
- R(d);S_CUTB(b)::S(K)
- R(j);N_GUARD,XB(I)::S(K),XP(h)
- B(b);N_GUARD::S(K)
- B(b);N_GUARD::S(K),XB(b)
- S(c);N_GUARD::QAR2(C)
- S(c);N_GUARD::QAR2(C),XS(c)
- S(k);N_GUARD,XP(G)::QAR2(C)
- S(k);N_GUARD::QAR2(C),XS(k)
- S(k);N_GUARD::QAR2(C)
- P(f);S_CUTB(b)::S(K)
- Tries
- Try
- K(J);P_SPINP(B),S_FLIGHT
- Threat
- DUALS(8)
- Vars
- Q(a);N_PINP(B),XP(G)::B(L)+S(H)
- R(d);XQ(C)::B(L)+S(H)
- R(j);N_GUARD,P_PINS(H),XB(I)::S(K),XP(h)
- Q(a);N_PINP(B)::B(L)+S(H)
- R(d);::B(L)+S(H)
- Refutation
- Q(a);CHECK,XP(B)
- Try
- K(J);P-FLIGHT
- Threat
- DUALS(8)
- Vars
- R(d);CHECK,XQ(C)::B(L)+S(H)
- S(c);CHECK,N_GUARD::QAR2(C),XS(c)
- Q(a);XP(G)::B(L)+S(H)
- R(j);N_GUARD,P_PINS(H),XB(I)::S(K),XP(h)
- Q(a);::B(L)+S(H)
- R(d);::B(L)+S(H)
- Refutation
- B(b);CHECK
- Try
- K(J);P-FLIGHT
- Threat
- DUALS(7)
- Vars
- Q(a);XP(G)::B(L)+S(H)
- R(d);XQ(C)::B(L)+S(H)
- R(j);N_GUARD,XB(I)::S(K),XP(h)
- Q(a);::B(L)+S(H)
- R(d);::B(L)+S(H)
- Refutation
- B(b);CHECK
- Try
- K(J);P-FLIGHT
- Threat
- DUALS(8)
- Vars
- Q(a);CHECK::B(L)+S(H)
- B(b);CHECK,N_GUARD::S(K),XB(b)
- S(k);CHECK,N_GUARD::QAR2(C),XS(k)
- Q(a);XP(G)::B(L)+S(H)
- R(d);XQ(C)::B(L)+S(H)
- R(j);N_GUARD,XB(I)::S(K),XP(h)
- Q(a);::B(L)+S(H)
- R(d);::B(L)+S(H)
- Refutation
- S(k);CHECK
- Try
- K(J);S_FLIGHT
- Threat
- DUALS(8)
- Vars
- R(d);XQ(C)::B(L)+S(H)
- R(j);N_GUARD,XB(I)::S(K),XP(h)
- Q(a);::B(L)+S(H)
- R(d);::B(L)+S(H)
- Refutation
- Q(a);CHECK,XP(G)
- Try
- S(H);
- Threat
- DUALS(8)
- Vars
- Q(a);XP(G)::S(K)
- R(j);XB(I)::QAB1(C)
- R(d);::S(K)
- Refutation
- Q(a);
- Try
- Q(C);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAR2(C),XS(c)
- Refutation
- B(b);XQ(C)
- Try
- Actual
- K(J);P-FLIGHT
- Threat
- DUALS(7)
- Vars
- Q(a);CHECK::B(L)+S(H)
- R(d);CHECK,XQ(C)::B(L)+S(H)
- B(b);CHECK,N_GUARD::S(K),XB(b)
- Q(a);XP(G)::B(L)+S(H)
- R(j);N_GUARD,XB(I)::S(K),XP(h)
- Q(a);::B(L)+S(H)
- R(d);::B(L)+S(H)
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).