MESON Chess Problem Database
Problem Display
PID: 120845 (3N4/8/1K1p4/RB1kp3/Q7/N3P3/b4B2/1r5q w - - 0 1)
Siklosi, Pal
Dunaujvarosi TST, 1963
#2
8 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.e4#
- 1...Qd1
- 2.e4#
- 1...Qf1
- 2.e4#
- 1...Qg1
- 2.e4#
- 1...Qh2
- 2.e4#
- 1...Qh3
- 2.e4#
- 1...Qh5
- 2.e4#
- 1...Qh6
- 2.e4#
- 1...Qh8
- 2.e4#
- 1...Ra1
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Rc1
- 2.Bc6#
- 1...Rd1
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Re1
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Rf1
- 2.Bxf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Rg1
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Rb3
- 2.Qc4#
- 1...Rxb5+
- 2.Rxb5#
- 1...Bb3
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Bc4
- 2.Qxc4#
- 1...e4
- 2.Qd4#
- 1...Qc1
- Tries
- 1.Ka7?
- threat
- 2.Bc6#
- 1...Kc5
- 2.e4#
- 1...Rxb5
- 2.Rxb5#
- 1...Qh7+!
- threat
- 1.Kc7?
- threat
- 2.Bc6#
- 1...Kc5
- 2.e4#
- 1...Rxb5
- 2.Rxb5#
- 1...Qh7+!
- threat
- 1.Sxb1?
- threat
- 2.Sc3#
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Bxb1
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 2.Qc4#
- 1...Bc4
- 2.Sc3#
- 2.Bc6#
- 2.Qxc4#
- 1...e4
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Bc4#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 2.Qd4#
- 1...Qc1
- 2.Bc6#
- 2.e4#
- 1...Qe1
- 2.Bc6#
- 1...Qf1
- 2.Sc3#
- 2.Bxf1#
- 2.Be2#
- 2.Bd3#
- 2.Bc6#
- 2.e4#
- 1...Qxb1!
- threat
- 1.Qc2?
- threat
- 2.Qd3#
- 2.Qc6#
- 1...Rxb5+
- 2.Rxb5#
- 1...Qe4
- 2.Qc6#
- 1...Qc1
- 2.Qd3#
- 2.e4#
- 1...Qd1
- 2.Qc6#
- 2.e4#
- 1...Qf1
- 2.Qc6#
- 2.e4#
- 1...Qh4
- 2.Qc6#
- 1...Qh7
- 2.Qc6#
- 1...Rc1
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba4#
- 2.Bc4#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 2.Qd3#
- 1...Rd1
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba4#
- 2.Bc4#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 2.Qc6#
- 1...Rb3
- 2.Qc4#
- 2.Qc6#
- 1...Rb4
- 2.Qc6#
- 1...Bc4
- 2.Qxc4#
- 1...e4!
- threat
- 1.Qb4?
- threat
- 2.Bf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba4#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Bc4
- 2.Bc6#
- 2.Qxc4#
- 1...Qc1
- 2.Bc6#
- 2.e4#
- 1...Qf1
- 2.Bxf1#
- 2.Be2#
- 2.Bd3#
- 2.Bc6#
- 2.e4#
- 1...Rc1
- 2.Bc6#
- 1...Rf1
- 2.Bxf1#
- 2.Be2#
- 2.Bd3#
- 2.Ba4#
- 2.Ba6#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Rxb4!
- threat
- 1.Ka7?
- Keys
- 1.Ka6!
- threat
- 2.Bc6#
- 1...Kc5
- 2.e4#
- 1...Rxb5
- 2.Rxb5#
- 1...Bc4
- 2.Qxc4#
- 1...Qf1
- 2.e4#
- threat
- 1.Ka6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- Q(b);N_GUARD::P(C)
- R(a);N_PINB(F)::R(E)+B(F),DCHECK
- R(a);S_CUTB(c)::QAB1(D)
- R(a);CHECK,OGATE,P_SPINR(a),XB(F)::R(E),XR(a)
- B(c);N_GUARD::QAB1(D),XB(c)
- P(e);N_GUARD::QAR1(D)
- Tries
- Try
- K(G);N_SPINB(F),S_FLIGHT
- Threat
- R(E)+B(F),DCHECK
- Vars
- K(d);P-FLIGHT::B(A)+P(C)
- R(a);OGATE,P_SPINR(a),XB(F)::R(E),XR(a)
- Refutation
- Q(b);CHECK
- Try
- K(G);N_SPINB(F),S_FLIGHT
- Threat
- R(E)+B(F),DCHECK
- Vars
- K(d);P-FLIGHT::B(A)+P(C)
- R(a);OGATE,P_SPINR(a),XB(F)::R(E),XR(a)
- Refutation
- Q(b);CHECK
- Try
- S(B);N_SPINB(F),XR(a)
- Threat
- DUALS(8)
- Vars
- Q(b);::R(E)+B(F),DCHECK
- Refutation
- Q(b);P_PINB(F),XS(B)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XB(F)::R(E),XR(a)
- Q(b);SBLOCK::QAB1(D)
- Q(b);::QAB1(D)
- R(a);::QAB1(D)
- B(c);N_GUARD::QAB1(D),XB(c)
- Refutation
- P(e);
- Try
- Q(D);N_SPINB(F)
- Threat
- DUALS(8)
- Vars
- R(a);::R(E)+B(F),DCHECK
- Refutation
- R(a);P_PINB(F),XQ(D)
- Try
- Actual
- K(G);N_SPINB(F),P-FLIGHT
- Threat
- R(E)+B(F),DCHECK
- Vars
- K(d);P-FLIGHT::B(A)+P(C)
- R(a);OGATE,P_SPINR(a),XB(F)::R(E),XR(a)
- B(c);N_GUARD,P_PINB(F)::QAB1(D),XB(c)
- Q(b);N_GUARD,P_PINB(F)::P(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).