MESON Chess Problem Database
Problem Display
PID: 42834 (8/N1b1p3/2BpR3/rQ4K1/1P1k2P1/5b1p/nPPN2R1/2q5 w - - 0 1)
Kiss, Janos
1/2 Place, Match: Hungary - Italy, 1971
#2
11 + 9
| 3753 | FIDE Album (1971-1973) | 1978 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2+
- 2.Rxd2#
- 1...Qa1
- 2.Sb3#
- 2.Sxf3#
- 1...Qb1
- 2.Sb3#
- 2.Sxf3#
- 1...Qd1
- 2.Sb3#
- 1...Qe1
- 2.Sb3#
- 2.Sxf3#
- 1...Qf1
- 2.Sb3#
- 1...Qg1
- 2.Sb3#
- 2.Sxf3#
- 1...Qh1
- 2.Sb3#
- 2.Sxf3#
- 1...Qxc2
- 2.Sxf3#
- 1...Ra3
- 2.Qc4#
- 1...Ra4
- 2.Qd3#
- 2.Qc4#
- 1...Rxb5+
- 2.Sxb5#
- 1...Ra6
- 2.Qd3#
- 2.Qc4#
- 1...Rxa7
- 2.Qd3#
- 2.Qc4#
- 1...Bd1
- 2.Re4#
- 1...Be2
- 2.Re4#
- 1...Be4
- 2.Rxe4#
- 1...Bxg4
- 2.Rxg4#
- 2.Re4#
- 1...Bd5
- 2.Qd3#
- 1...Bxc6
- 2.Sxc6#
- 1...d5
- 2.Qd3#
- 1...Qxd2+
- Tries
- 1.Kf4?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Qxd2+
- 2.Rxd2#
- 1...Qxc2
- 2.Sxf3#
- 1...Rxb5
- 2.Sxb5#
- 1...Sxb4
- 2.Qc4#
- 2.Qxb4#
- 1...Qf1
- 2.Sb3#
- 1...Ra3
- 2.Qc4#
- 1...Be2
- 2.Re4#
- 1...Be4
- 2.Rxe4#
- 2.Qc4#
- 1...Bd5
- 2.Qd3#
- 1...d5+!
- threat
- 1.Kh4?
- threat
- 2.Sb3#
- 2.Sxf3#
- 2.Qd3#
- 2.Qc4#
- 1...Qxb2
- 2.Qd3#
- 2.Qc4#
- 1...Qxd2
- 2.Rxd2#
- 1...Qxc2
- 2.Sxf3#
- 1...Rxb5
- 2.Sxb5#
- 1...Bxg2
- 2.Sb3#
- 2.Qd3#
- 2.Qc4#
- 1...Bxg4
- 2.Sb3#
- 2.Rxg4#
- 2.Re4#
- 2.Qd3#
- 2.Qc4#
- 1...Bxc6
- 2.Sb3#
- 2.Sxc6#
- 2.Qd3#
- 2.Qc4#
- 1...Sxb4
- 2.Sb3#
- 2.Sxf3#
- 2.Qc4#
- 2.Qxb4#
- 1...Be4
- 2.Rxe4#
- 1...Qd1
- 2.Sb3#
- 2.Qd3#
- 2.Qc4#
- 1...Qf1
- 2.Sb3#
- 1...Ra3
- 2.Qc4#
- 1...Bd1
- 2.Sb3#
- 2.Re4#
- 2.Qd3#
- 2.Qc4#
- 1...Be2
- 2.Sb3#
- 2.Re4#
- 1...Bd5
- 2.Qd3#
- 1...d5
- 2.Sb3#
- 2.Sxf3#
- 2.Qd3#
- 1...Qe1+!
- threat
- 1.Kh5?
- threat
- 2.Sb3#
- 2.Sxf3#
- 1...Rxb5+
- 2.Sxb5#
- 1...Bxg4+
- 2.Rxg4#
- 1...Qxd2
- 2.Rxd2#
- 1...Qxc2
- 2.Sxf3#
- 1...Bxg2
- 2.Sb3#
- 1...Bxc6
- 2.Sb3#
- 2.Sxc6#
- 1...Be4
- 2.Rxe4#
- 1...Qd1
- 2.Sb3#
- 1...Qf1
- 2.Sb3#
- 1...Ra3
- 2.Qc4#
- 1...Bd1
- 2.Sb3#
- 2.Re4#
- 1...Be2
- 2.Sb3#
- 2.Re4#
- 1...Bd5
- 2.Qd3#
- 1...Qxb2!
- threat
- 1.Kg6?
- threat
- 2.Sb3#
- 2.Sxf3#
- 2.Qd3#
- 2.Qc4#
- 1...Be4+
- 2.Rxe4#
- 1...Qxb2
- 2.Qd3#
- 2.Qc4#
- 1...Qxd2
- 2.Rxd2#
- 1...Rxb5
- 2.Sxb5#
- 1...Bxg2
- 2.Sb3#
- 2.Qd3#
- 2.Qc4#
- 1...Bxg4
- 2.Sb3#
- 2.Rxg4#
- 2.Re4#
- 2.Qd3#
- 2.Qc4#
- 1...Bxc6
- 2.Sb3#
- 2.Sxc6#
- 2.Qd3#
- 2.Qc4#
- 1...Sxb4
- 2.Sb3#
- 2.Sxf3#
- 2.Qc4#
- 2.Qxb4#
- 1...Qd1
- 2.Sb3#
- 2.Qd3#
- 2.Qc4#
- 1...Qf1
- 2.Sb3#
- 1...Ra3
- 2.Qc4#
- 1...Bd1
- 2.Sb3#
- 2.Re4#
- 2.Qd3#
- 2.Qc4#
- 1...Be2
- 2.Sb3#
- 2.Re4#
- 1...Bd5
- 2.Qd3#
- 1...d5
- 2.Sb3#
- 2.Sxf3#
- 2.Qd3#
- 1...Qxc2+!
- threat
- 1.Bd5?
- threat
- 2.Sc6#
- 2.Qd3#
- 2.Qc4#
- 1...Qxd2+
- 2.Rxd2#
- 1...Qxb2
- 2.Qd3#
- 2.Qc4#
- 1...Qxc2
- 2.Sxf3#
- 1...Rxa7
- 2.Qd3#
- 2.Qc4#
- 1...Bxd5
- 2.Qd3#
- 1...Sxb4
- 2.Qc4#
- 1...Be4
- 2.Rxe4#
- 1...Qf1
- 2.Sb3#
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 2.Qc4#
- 1...Ra6
- 2.Qd3#
- 2.Qc4#
- 1...Be2
- 2.Sc6#
- 2.Re4#
- 1...Rxb5!
- threat
- 1.bxa5?
- threat
- 2.Qc4#
- 1...Qxd2+
- 2.Rxd2#
- 1...Qxc2
- 2.Sxf3#
- 1...Be4
- 2.Rxe4#
- 1...Qf1
- 2.Sb3#
- 1...Be2
- 2.Re4#
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...d5!
- threat
- 1.Kf4?
- Keys
- 1.Kh6!
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Qxd2+
- 2.Rxd2#
- 1...Qxc2
- 2.Sxf3#
- 1...Rxb5
- 2.Sxb5#
- 1...Sxb4
- 2.Qc4#
- 2.Qxb4#
- 1...Be4
- 2.Rxe4#
- 1...Qf1
- 2.Sb3#
- 1...Ra3
- 2.Qc4#
- 1...Be2
- 2.Re4#
- 1...Bd5
- 2.Qd3#
- 1...d5
- 2.Qd3#
- threat
- 1.Kh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- Q(a);CHECK,OGATE,XS(C)::R(D),XQ(a)
- Q(a);N_PINS(C)::S(C)
- Q(a);N_PINS(C),XP(B)::S(C),XB(c)
- R(f);N_PINQ(G)::QAR1(G)
- R(f);CHECK,XQ(G)::S(K),XR(f)
- B(c);N_GUARD::R1(J)
- B(c);N_GUARD::R1(J),XB(c)
- B(c);N_PINQ(G)::QAR1(G)
- B(c);XB(I)::S(K),XB(c)
- P(g);N_PINQ(G)::QAR1(G)
- Tries
- Try
- K(H);N_SPINQ(G),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,OGATE,XS(C)::R(D),XQ(a)
- Q(a);N_PINS(C),XP(B)::S(C),XB(c)
- R(f);XQ(G)::S(K),XR(f)
- Q(a);N_PINS(C)::S(C)
- R(f);::QAR1(G)
- B(c);N_GUARD::R1(J)
- B(c);::QAR1(G)
- Refutation
- P(g);CHECK
- Try
- K(H);N_SPINQ(G),N_SPINS(C),S_FLIGHT
- Threat
- DUALS(4)
- Vars
- Q(a);OGATE,XS(C)::R(D),XQ(a)
- Q(a);XP(B)::S(C),XB(c)
- R(f);XQ(G)::S(K),XR(f)
- B(c);N_GUARD::R1(J),XB(c)
- Q(a);::S(C)
- R(f);::QAR1(G)
- B(c);::QAR1(G)
- Refutation
- Q(a);CHECK
- Try
- K(H);N_SPINS(C),P-FLIGHT,P_SPINP(F)
- Threat
- DUALS(2)
- Vars
- R(f);CHECK,XQ(G)::S(K),XR(f)
- B(c);CHECK,OGATE,XP(F)::R(D),XB(c)
- Q(a);OGATE,XS(C)::R(D),XQ(a)
- Q(a);XP(B)::S(C),XB(c)
- B(c);N_PINP(F),XR(D)::S(C)
- B(c);N_GUARD,N_PINP(F)::R1(J),XB(c)
- Q(a);::S(C)
- R(f);N_PINQ(G)::QAR1(G)
- B(c);N_PINP(F),N_PINQ(G)::QAR1(G)
- Refutation
- Q(a);XP(A)
- Try
- K(H);N_SPINQ(G),N_SPINS(C),P-FLIGHT
- Threat
- DUALS(4)
- Vars
- B(c);CHECK,N_GUARD::R1(J),XB(c)
- Q(a);OGATE,XS(C)::R(D),XQ(a)
- R(f);XQ(G)::S(K),XR(f)
- Q(a);::S(C)
- R(f);::QAR1(G)
- B(c);::QAR1(G)
- Refutation
- Q(a);CHECK,XP(B)
- Try
- B(I);N_SPINQ(G)
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK,OGATE,XS(C)::R(D),XQ(a)
- Q(a);N_PINS(C),XP(B)::S(C),XB(c)
- B(c);SBLOCK,XB(I)::QAR1(G)
- S(b);XP(E)::QAR1(G)
- B(c);N_GUARD::R1(J),XB(c)
- Refutation
- R(f);P_PINB(I),XQ(G)
- Try
- P(E);N_SPINQ(G),XR(f)
- Threat
- QAR1(G)
- Vars
- Q(a);CHECK,OGATE,XS(C)::R(D),XQ(a)
- Q(a);N_PINS(C),XP(B)::S(C),XB(c)
- B(c);N_GUARD::R1(J),XB(c)
- Q(a);N_PINS(C)::S(C)
- B(c);N_GUARD::QAR1(G),XB(c)
- Refutation
- P(g);
- Try
- Actual
- K(H);N_SPINQ(G),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,OGATE,XS(C)::R(D),XQ(a)
- Q(a);N_PINS(C),XP(B)::S(C),XB(c)
- R(f);XQ(G)::S(K),XR(f)
- B(c);N_GUARD::R1(J),XB(c)
- Q(a);N_PINS(C)::S(C)
- R(f);::QAR1(G)
- B(c);N_GUARD::R1(J)
- B(c);::QAR1(G)
- P(g);::QAR1(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).