MESON Chess Problem Database
Problem Display
PID: 250247 (3K4/1Np5/P1R5/1q1kp3/6Q1/3N4/8/8 w - - 0 1)
Paros, Gyorgy
Zaszlonk, 1927
#2
6 + 4
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxc6
- 2.Qe6#
- 1...Qxd3
- 2.Rc5#
- 1...Qa4
- 2.Rc5#
- 1...Qc4
- 2.Qxc4#
- 1...Qxa6
- 2.Sb4#
- 2.Rc5#
- 1...Qxc6
- 2.Sb4#
- 1...Qb1
- 2.Rc5#
- 2.Qc4#
- 1...Qb2
- 2.Rc5#
- 2.Qc4#
- 1...Qb3
- 2.Rc5#
- 1...Qb4
- 2.Sxb4#
- 1...Qa5
- 2.Qc4#
- 1...Qc5
- 2.Rxc5#
- 1...Qb6
- 2.Qc4#
- 1...Qxb7
- 2.Qc4#
- 1...e4
- 2.Qd7#
- 1...Kxc6
- Tries
- 1.Kc8?
- 1...Kxc6
- 2.Qe6#
- 1...Qxd3
- 2.Rc5#
- 1...Qxa6
- 2.Sb4#
- 2.Rc5#
- 1...Qxc6
- 2.Sb4#
- 1...e4
- 2.Qd7#
- 1...Qa4
- 2.Rc5#
- 1...Qc4
- 2.Qxc4#
- 1...Qb1
- 2.Rc5#
- 2.Qc4#
- 1...Qb2
- 2.Rc5#
- 2.Qc4#
- 1...Qb3
- 2.Rc5#
- 1...Qb4
- 2.Sxb4#
- 1...Qa5
- 2.Qc4#
- 1...Qc5
- 2.Rxc5#
- 1...Qb6
- 2.Qc4#
- 1...Qxb7+!
- 1...Kxc6
- 1.a7?
- 1...Qxd3
- 2.Rc5#
- 1...Qxc6
- 2.Sb4#
- 1...Qxb7
- 2.Qc4#
- 1...e4
- 2.Qd7#
- 1...Qa4
- 2.Rc5#
- 1...Qc4
- 2.Qxc4#
- 1...Qa6
- 2.Sb4#
- 2.Rc5#
- 1...Qb1
- 2.Rc5#
- 2.Qc4#
- 1...Qb2
- 2.Rc5#
- 2.Qc4#
- 1...Qb3
- 2.Rc5#
- 1...Qb4
- 2.Sxb4#
- 1...Qa5
- 2.Qc4#
- 1...Qc5
- 2.Rxc5#
- 1...Qb6
- 2.Qc4#
- 1...Kxc6!
- 1...Qxd3
- 1.Kc8?
- Keys
- 1.Ke7!
- 1...Qb4+
- 2.Sxb4#
- 1...Qc5+
- 2.Rxc5#
- 1...Kxc6
- 2.Qe6#
- 1...Qxd3
- 2.Rc5#
- 1...Qxa6
- 2.Sb4#
- 2.Rc5#
- 1...Qxc6
- 2.Sb4#
- 1...Qxb7
- 2.Rc5#
- 2.Qc4#
- 1...e4
- 2.Qd7#
- 1...Qa4
- 2.Rc5#
- 1...Qc4
- 2.Qxc4#
- 1...Qb1
- 2.Rc5#
- 2.Qc4#
- 1...Qb2
- 2.Rc5#
- 2.Qc4#
- 1...Qb3
- 2.Rc5#
- 1...Qa5
- 2.Qc4#
- 1...Qb6
- 2.Qc4#
- 1...Qb4+
- 1.Ke7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- K(b);N_GUARD,S_FLIGHT,XR(D)::QAR2(B)
- Q(a);N_GUARD,XS(A)::R1(D)
- Q(a);N_GUARD::R1(D)
- Q(a);N_GUARD::QAB1(B),XQ(a)
- Q(a);N_GUARD,XR(D)::S(A)
- Q(a);N_GUARD::S(A),XQ(a)
- Q(a);N_GUARD::QAB1(B)
- Q(a);N_GUARD::R1(D),XQ(a)
- Q(a);N_GUARD,XS(E)::QAB1(B)
- P(c);SBLOCK::QAR2(B)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- K(b);N_GUARD,S_FLIGHT,XR(D)::QAR2(B)
- Q(a);N_GUARD,XS(A)::R1(D)
- Q(a);N_GUARD,XR(D)::S(A)
- P(c);SBLOCK::QAR2(B)
- Q(a);N_GUARD::R1(D)
- Q(a);N_GUARD::QAB1(B),XQ(a)
- Q(a);N_GUARD::S(A),XQ(a)
- Q(a);N_GUARD::QAB1(B)
- Q(a);N_GUARD::R1(D),XQ(a)
- Refutation
- Q(a);CHECK,XS(E)
- Try
- P(C);
- Vars
- Q(a);N_GUARD,XS(A)::R1(D)
- Q(a);N_GUARD,XR(D)::S(A)
- Q(a);N_GUARD,XS(E)::QAB1(B)
- P(c);SBLOCK::QAR2(B)
- Q(a);N_GUARD::R1(D)
- Q(a);N_GUARD::QAB1(B),XQ(a)
- Q(a);N_GUARD::S(A),XQ(a)
- Q(a);N_GUARD::QAB1(B)
- Q(a);N_GUARD::R1(D),XQ(a)
- Refutation
- K(b);S_FLIGHT,XR(D)
- Try
- Actual
- K(F);S_FLIGHT
- Vars
- Q(a);CHECK,N_GUARD::S(A),XQ(a)
- Q(a);CHECK,N_GUARD::R1(D),XQ(a)
- K(b);N_GUARD,S_FLIGHT,XR(D)::QAR2(B)
- Q(a);N_GUARD,XS(A)::R1(D)
- Q(a);N_GUARD,XR(D)::S(A)
- P(c);SBLOCK::QAR2(B)
- Q(a);N_GUARD::R1(D)
- Q(a);N_GUARD::QAB1(B),XQ(a)
- Q(a);N_GUARD::QAB1(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).