MESON Chess Problem Database
Problem Display
PID: 2772 (1R5K/2P5/3B3R/qP1k1P2/5r2/1P3P2/Q1N3B1/1N6 w - - 0 1)
Wainwright, Joseph CJ
Source?, 0000
#2
13 + 3
| 2794 | Terms & Themes of Chess Problems | 1907 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Qa8#
- 1...Qd2
- 2.Qa8#
- 1...Qc3+
- 2.Sxc3#
- 1...Qb4
- 2.Qa8#
- 1...Qb6
- 2.Sc3#
- 1...Qxa2
- 2.Sc3#
- 1...Qa3
- 2.Sc3#
- 1...Qa4
- 2.Sc3#
- 1...Qa6
- 2.Sc3#
- 1...Qa7
- 2.Sc3#
- 1...Qa8
- 2.Sc3#
- 2.Qxa8#
- 1...Rxf3
- 2.Bxf3#
- 1...Ra4
- 2.bxa4#
- 1...Rb4
- 2.Sc3#
- 1...Rc4
- 2.bxc4#
- 1...Rd4
- 2.Se3#
- 1...Re4
- 2.fxe4#
- 1...Rg4
- 2.fxg4#
- 1...Rh4
- 2.f4#
- 1...Rxf5
- 2.f4#
- 1...Qe1
- Tries
- 1.Re8?
- threat
- 2.Re5#
- 1...Qc3+
- 2.Sxc3#
- 1...Rxf5
- 2.f4#
- 1...Qe1
- 2.Qa8#
- 1...Qa8
- 2.Sc3#
- 2.Qxa8#
- 1...Re4
- 2.fxe4#
- 1...Qxb5!
- threat
- 1.Qa4?
- threat
- 2.Se3#
- 1...Qc3+
- 2.Sxc3#
- 1...Qxa4
- 2.Sc3#
- 1...Qxb5
- 2.Qxb5#
- 1...Qe1
- 2.Qa8#
- 1...Qd2
- 2.Qa8#
- 1...Qb4
- 2.Qa8#
- 1...Qb6
- 2.Sc3#
- 1...Qa7
- 2.Sc3#
- 1...Rb4
- 2.Sc3#
- 1...Rc4
- 2.Qxc4#
- 2.bxc4#
- 1...Re4
- 2.Qxe4#
- 2.fxe4#
- 1...Rxa4!
- threat
- 1.Qxa5?
- threat
- 2.Sc3#
- 2.Qa8#
- 1...Ra4
- 2.Sc3#
- 1...Rc4!
- threat
- 1.b4+?
- 1...Rc4
- 2.Sc3#
- 2.f4#
- 1...Qxa2!
- 1...Rc4
- 1.c8Q?
- threat
- 2.Qe6#
- 2.Qb7#
- 2.Qc5#
- 2.Qc6#
- 2.Qg8#
- 1...Qc3+
- 2.Sxc3#
- 1...Qxb5
- 2.Sc3#
- 2.Rxb5#
- 1...Rxf3
- 2.Bxf3#
- 2.Qe6#
- 2.Qb7#
- 2.Qc4#
- 2.Qc6#
- 1...Rxf5
- 2.Qxf5#
- 2.Qe6#
- 2.Qb7#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 2.f4#
- 1...Qe1
- 2.Qb7#
- 2.Qa8#
- 2.Qc5#
- 2.Qc6#
- 1...Qb4
- 2.Qe6#
- 2.Qb7#
- 2.Qa8#
- 2.Qc6#
- 2.Qg8#
- 1...Qb6
- 2.Sc3#
- 2.Qe6#
- 2.Qg8#
- 1...Qc7
- 2.Qe6#
- 1...Qa3
- 2.Sc3#
- 2.Qe6#
- 2.Qb7#
- 2.Qc6#
- 2.Qg8#
- 1...Qa6
- 2.Sc3#
- 2.Qe6#
- 2.Qc5#
- 2.Qg8#
- 1...Qa7
- 2.Sc3#
- 2.Qe6#
- 2.Qc6#
- 1...Qa8
- 2.Sc3#
- 2.Qe6#
- 2.Qxa8#
- 2.Qc5#
- 2.Qg8#
- 1...Rc4
- 2.Qe6#
- 2.Qxc4#
- 2.Qg8#
- 2.bxc4#
- 1...Re4
- 2.Qb7#
- 2.Qc5#
- 2.Qc6#
- 2.fxe4#
- 1...Rg4
- 2.Qe6#
- 2.Qb7#
- 2.Qc5#
- 2.Qc6#
- 2.fxg4#
- 1...Qd8+!
- threat
- 1.Re8?
- Keys
- 1.Rb6!
- 1...Qc3+
- 2.Sxc3#
- 1...Qa8+
- 2.Qxa8#
- 1...Qxb6
- 2.Sc3#
- 1...Qxa2
- 2.Sc3#
- 1...Qxb5
- 2.Sc3#
- 1...Rxf3
- 2.Bxf3#
- 1...Rxf5
- 2.f4#
- 1...Qe1
- 2.Qa8#
- 1...Qd2
- 2.Qa8#
- 1...Qb4
- 2.Qa8#
- 1...Qa3
- 2.Sc3#
- 1...Qa4
- 2.Sc3#
- 1...Qa6
- 2.Sc3#
- 1...Qa7
- 2.Sc3#
- 1...Ra4
- 2.bxa4#
- 1...Rb4
- 2.Sc3#
- 1...Rc4
- 2.bxc4#
- 1...Rd4
- 2.Se3#
- 1...Re4
- 2.fxe4#
- 1...Rg4
- 2.fxg4#
- 1...Rh4
- 2.f4#
- 1...Qc3+
- 1.Rb6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(b);OGATE::QAB(B)
- Q(b);CHECK,N_GUARD::S(A),XQ(b)
- Q(b);N_GUARD::S(A)
- Q(b);N_GUARD,XQ(B)::S(A)
- R(a);OGATE,P_SPINR(a),XP(F)::B(D),XR(a)
- R(a);OGATE::QAB(B)+P(E),XR(a)
- R(a);S_CUTQ(b)::S(A)
- R(a);OGATE::P(E),XR(a)
- R(a);SBLOCK::S(C)
- R(a);OGATE::P(F),XR(a)
- R(a);OGATE::B(D)+P(F),XR(a)
- R(a);OGATE,P_PINR(J)::B(D)+P(F)
- R(a);OGATE,XP(H)::B(D)+P(F)
- Tries
- Try
- R(L);
- Threat
- R1(L)
- Vars
- Q(b);CHECK,N_GUARD::S(A),XQ(b)
- R(a);OGATE,XP(H)::B(D)+P(F)
- Q(b);OGATE::QAB(B)
- R(a);OGATE::P(F),XR(a)
- Refutation
- Q(b);XP(G)
- Try
- Q(B);
- Threat
- S(C)
- Vars
- Q(b);CHECK,N_GUARD::S(A),XQ(b)
- Q(b);N_GUARD,XQ(B)::S(A)
- Q(b);OGATE,XP(G)::QAR2(B),XQ(b)
- Q(b);OGATE::QAB(B)
- Q(b);N_GUARD::S(A)
- R(a);S_CUTQ(b)::S(A)
- Refutation
- R(a);XQ(B)
- Try
- Q(B);XQ(b)
- Threat
- DUALS(2)
- Vars
- R(a);::S(A)
- Refutation
- R(a);
- Try
- P(E);CHECK
- Refutation
- Q(b);XQ(B)
- Try
- P(K);
- Threat
- DUALS(5)
- Vars
- Q(b);CHECK,N_GUARD::S(A),XQ(b)
- Q(b);::QAB1(K)
- Refutation
- Q(b);CHECK
- Try
- Actual
- R(L);
- Vars
- Q(b);CHECK,N_GUARD::S(A),XQ(b)
- Q(b);CHECK,OGATE::QAB(B),XQ(b)
- Q(b);N_GUARD,XR(L)::S(A)
- Q(b);N_GUARD,XQ(B)::S(A)
- Q(b);N_GUARD,XP(G)::S(A)
- R(a);OGATE,P_SPINR(a),XP(F)::B(D),XR(a)
- R(a);OGATE,XP(H)::B(D)+P(F)
- Q(b);OGATE::QAB(B)
- Q(b);N_GUARD::S(A)
- R(a);OGATE::QAB(B)+P(E),XR(a)
- R(a);S_CUTQ(b)::S(A)
- R(a);OGATE::P(E),XR(a)
- R(a);SBLOCK::S(C)
- R(a);OGATE::P(F),XR(a)
- R(a);OGATE::B(D)+P(F),XR(a)
- R(a);OGATE,P_PINR(J)::B(D)+P(F)
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).