MESON Chess Problem Database
Problem Display
PID: 108070 (8/7n/1p5Q/4k3/2R2R2/K1p3q1/8/B6B w - - 0 1)
Fleck, Ferenc
Express Wieczorny, 1954
#2
6 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Bxc3#
- 1...Qh4
- 2.Bxc3#
- 1...Qg4
- 2.Bxc3#
- 1...Qg5
- 2.Bxc3#
- 1...Qg7
- 2.Bxc3#
- 1...Qg8
- 2.Bxc3#
- 1...Sg5
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sf8
- 2.Qf6#
- 1...b5
- 2.Rc5#
- 1...Qh2
- Tries
- 1.Rcd4?
- threat
- 2.Rd5#
- 2.Qd6#
- 1...c2+
- 2.Rd3#
- 1...Qxf4
- 2.Rd5#
- 1...Sf6
- 2.Qxf6#
- 1...Qg2
- 2.Qd6#
- 1...Qd3
- 2.Qd6#
- 1...Qf3
- 2.Qd6#
- 1...Qg5
- 2.Qd6#
- 1...Qg8
- 2.Qd6#
- 1...Sg5
- 2.Qd6#
- 2.Qf6#
- 1...Qg6!
- threat
- 1.Rc6?
- threat
- 2.Re6#
- 2.Qd6#
- 1...Qg2
- 2.Qd6#
- 1...Qf3
- 2.Qd6#
- 1...Qg5
- 2.Qd6#
- 1...Sg5
- 2.Qd6#
- 2.Qf6#
- 1...Qd3
- 2.Re6#
- 1...Qh3
- 2.Qd6#
- 1...Qg4
- 2.Bxc3#
- 2.Qd6#
- 1...Qg6
- 2.Bxc3#
- 1...Qg8
- 2.Bxc3#
- 2.Qd6#
- 1...Sf6
- 2.Qxf6#
- 1...Sf8
- 2.Qd6#
- 2.Qf6#
- 1...Qxf4!
- threat
- 1.Rfe4+?
- 1...Kd5
- 2.Qc6#
- 2.Qe6#
- 1...Kf5!
- 1...Kd5
- 1.Qg7+?
- 1...Kd6
- 2.Rc6#
- 1...Ke6
- 2.Rc6#
- 1...Sf6
- 2.Qxf6#
- 2.Qe7#
- 1...Qxg7!
- 1...Kd6
- 1.Rcd4?
- Keys
- 1.Rxc3!
- threat
- 2.Rd3#
- 2.Re3#
- 2.Rxg3#
- 1...Qxc3+
- 2.Bxc3#
- 1...Qxf4
- 2.Rc5#
- 1...Qg2
- 2.Rc5#
- 1...Qf3
- 2.Rd3#
- 1...Qg5
- 2.Rcc4#
- 1...Qg6
- 2.Rc6#
- 1...Sg5
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Qe1
- 2.Re3#
- 2.Rc5#
- 1...Qf2
- 2.Re3#
- 2.Rc5#
- 1...Qh2
- 2.Rc2#
- 2.Re3#
- 2.Rc5#
- 1...Qh4
- 2.Rc1#
- 2.Rc2#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rh3#
- 2.Rcc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Qg1
- 2.Re3#
- 2.Rc5#
- 1...Qd3
- 2.Rxd3#
- 1...Qe3
- 2.Rxe3#
- 1...Qh3
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rxh3#
- 1...Qg4
- 2.Rc1#
- 2.Rc2#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rh3#
- 2.Rcc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Qg7
- 2.Rc1#
- 2.Rc2#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rh3#
- 2.Rcc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Qg8
- 2.Rc1#
- 2.Rc2#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rh3#
- 2.Rcc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- threat
- 1.Rxc3!
There are these versions: 176585
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 7
- Sets
- Q(b);N_GUARD::B(A),XP(a)
- S(e);N_GUARD::QAB1(F)
- S(e);N_GUARD::QAB1(F),XS(e)
- P(d);N_GUARD::R(D)
- Tries
- Try
- R(D);N_PINP(a)
- Threat
- DUALS(2)
- Vars
- P(a);CHECK,OGATEB::B(A)+R(D)
- Q(b);XR(E)::R1(D)
- S(e);N_GUARD::QAB1(F),XS(e)
- Q(b);::QAB1(F)
- Refutation
- Q(b);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(b);::QAB1(F)
- Q(b);::R1(D)
- Q(b);N_GUARD::B(A),XP(a)
- S(e);N_GUARD::QAB1(F),XS(e)
- Refutation
- Q(b);XR(E)
- Try
- R(E);CHECK
- Refutation
- K(c);N_SPINP(a),P-FLIGHT
- Try
- Q(F);CHECK
- Vars
- K(c);N_SPINP(a),S_FLIGHT::R1(D)
- K(c);N_SPINP(a),P-FLIGHT::R(D)
- Refutation
- Q(b);XQ(F)
- Try
- Actual
- R(D);P_SPINR(D),XP(a)
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,OGATE,P_SPINQ(b),XR(D)::B(A),XQ(b)
- Q(b);N_PINR(D),XR(E)::B(A)+R(D),DCHECK
- Q(b);N_PINR(D)::B(A)+R(D),DCHECK
- Q(b);::B(A)+R(D)
- Q(b);N_PINR(D)::B(A)+R(D)
- S(e);N_GUARD::QAB1(F)
- S(e);N_GUARD::QAB1(F),XS(e)
- Q(b);::B(A)+R(D),XQ(b)
- Q(b);::B(A)+R(D),DCHECK,XQ(b)
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).