MESON Chess Problem Database
Problem Display
PID: 242754 (1N6/7K/8/2k5/P7/n2Q4/B1q5/BRRb4 w - - 0 1)
Bakcsi, Gyorgy
Szachy, 1976
#2
8 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxc1
- 2.Qd4#
- 2.Qd5#
- 1...Qc3
- 2.Qd5#
- 1...Qc4
- 2.Qd4#
- 1...Sc4
- 2.Rb5#
- 1...Sb5
- 2.Rxb5#
- 1...Qxc1
- Tries
- 1.Kh6?
- threat
- 2.Qxa3#
- 2.Qd4#
- 2.Qd5#
- 1...Sxb1
- 2.Qd4#
- 1...Sb5
- 2.Rxb5#
- 1...Qc3
- 2.Qd5#
- 1...Qc4
- 2.Qd4#
- 1...Bf3
- 2.Qxa3#
- 2.Qd4#
- 1...Sc4
- 2.Rb5#
- 2.Qd4#
- 1...Qxc1+!
- threat
- 1.Kg7?
- threat
- 2.Qxa3#
- 2.Qd4#
- 2.Qd5#
- 1...Qxc1
- 2.Qd4#
- 2.Qd5#
- 1...Sxb1
- 2.Qd4#
- 1...Sb5
- 2.Rxb5#
- 1...Qc4
- 2.Qd4#
- 1...Bf3
- 2.Qxa3#
- 2.Qd4#
- 1...Sc4
- 2.Rb5#
- 2.Qd4#
- 1...Qc3+!
- threat
- 1.Kg8?
- threat
- 2.Qxa3#
- 2.Qd4#
- 2.Qd5#
- 1...Qxc1
- 2.Qd4#
- 2.Qd5#
- 1...Sxb1
- 2.Qd4#
- 1...Sb5
- 2.Rxb5#
- 1...Qc3
- 2.Qd5#
- 1...Bf3
- 2.Qxa3#
- 2.Qd4#
- 1...Sc4
- 2.Rb5#
- 2.Qd4#
- 1...Qc4+!
- threat
- 1.Kh8?
- threat
- 2.Qxa3#
- 2.Qd4#
- 2.Qd5#
- 1...Qxc1
- 2.Qd4#
- 2.Qd5#
- 1...Sxb1
- 2.Qd4#
- 1...Sb5
- 2.Rxb5#
- 1...Qc4
- 2.Qd4#
- 1...Bf3
- 2.Qxa3#
- 2.Qd4#
- 1...Sc4
- 2.Rb5#
- 2.Qd4#
- 1...Qc3+!
- threat
- 1.Be5?
- threat
- 2.Bd6#
- 1...Sb5
- 2.Rxb5#
- 1...Sc4
- 2.Rb5#
- 1...Sxb1!
- threat
- 1.Bf6?
- threat
- 2.Be7#
- 1...Sb5
- 2.Rxb5#
- 1...Sc4
- 2.Rb5#
- 1...Sxb1!
- threat
- 1.Bg7?
- threat
- 2.Bf8#
- 1...Sb5
- 2.Rxb5#
- 1...Sc4
- 2.Rb5#
- 1...Sxb1!
- threat
- 1.Rb6?
- threat
- 2.Sd7#
- 2.Bd4#
- 1...Sb5
- 2.Rxb5#
- 1...Qc3
- 2.Sd7#
- 2.Qe3#
- 2.Qd6#
- 1...Qc4
- 2.Sd7#
- 2.Qd4#
- 2.Qd6#
- 1...Bg4
- 2.Bd4#
- 1...Sc4
- 2.Sd7#
- 2.Rb5#
- 1...Kxb6!
- threat
- 1.Rxc2+?
- 1...Sxc2
- 2.Rb5#
- 2.Qd5#
- 1...Sc4
- 2.Rb5#
- 2.Rxc4#
- 2.Qd4#
- 1...Bxc2!
- 1...Sxc2
- 1.Kh6?
- Keys
- 1.Qg6!
- threat
- 2.Sa6#
- 2.Sd7#
- 1...Sxb1
- 2.Sa6#
- 1...Qc3
- 2.Qb6#
- 1...Qc4
- 2.Qc6#
- 1...Sc4
- 2.Rb5#
- 1...Be2
- 2.Sd7#
- 1...Bg4
- 2.Sa6#
- threat
- 1.Qg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- Q(b);N_PINQ(E)::QAR1(E)
- Q(b);N_PINQ(E)::QAB1(E)
- S(c);N_GUARD,N_SPINQ(b)::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- Tries
- Try
- K(G);N_SPINQ(E),P-FLIGHT
- Threat
- DUALS(3)
- Vars
- S(c);XR(B)::QAB1(E)
- S(c);N_GUARD::R1(B),XS(c)
- Q(b);::QAR1(E)
- Q(b);::QAB1(E)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XR(C)
- Try
- K(G);N_SPINQ(E),P-FLIGHT
- Threat
- DUALS(3)
- Vars
- S(c);XR(B)::QAB1(E)
- S(c);N_GUARD::R1(B),XS(c)
- Q(b);::QAB1(E)
- Refutation
- Q(b);CHECK
- Try
- K(G);N_SPINQ(E),S_FLIGHT
- Threat
- DUALS(3)
- Vars
- S(c);XR(B)::QAB1(E)
- S(c);N_GUARD::R1(B),XS(c)
- Q(b);::QAR1(E)
- Refutation
- Q(b);CHECK
- Try
- K(G);N_SPINQ(E),P-FLIGHT
- Threat
- DUALS(3)
- Vars
- S(c);XR(B)::QAB1(E)
- S(c);N_GUARD::R1(B),XS(c)
- Q(b);::QAB1(E)
- Refutation
- Q(b);CHECK
- Try
- B(A);
- Threat
- B(A)
- Vars
- S(c);N_GUARD::R1(B),XS(c)
- S(c);N_GUARD,N_SPINQ(b)::R1(B)
- Refutation
- S(c);XR(B)
- Try
- B(A);
- Threat
- B(A)
- Vars
- S(c);N_GUARD::R1(B),XS(c)
- S(c);N_GUARD,N_SPINQ(b)::R1(B)
- Refutation
- S(c);XR(B)
- Try
- B(A);
- Threat
- B(A)
- Vars
- S(c);N_GUARD::R1(B),XS(c)
- S(c);N_GUARD,N_SPINQ(b)::R1(B)
- Refutation
- S(c);XR(B)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD::R1(B),XS(c)
- B(a);::B(A)
- Refutation
- K(d);N_SPINQ(b),S_FLIGHT,XR(B)
- Try
- R(C);CHECK,N_SPINQ(E),XQ(b)
- Refutation
- B(a);P_PINQ(E),XR(C)
- Try
- Actual
- Q(E);
- Threat
- DUALS(2)
- Vars
- S(c);XR(B)::S(H)
- Q(b);N_PINQ(E)::QAB1(E)
- Q(b);N_PINQ(E)::QAR1(E)
- S(c);N_GUARD,N_SPINQ(b)::R1(B)
- B(a);::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).