MESON Chess Problem Database
Problem Display
PID: 22767 (1R3B2/1NN1RB2/P3q3/p5n1/Pk6/3K4/1P5Q/1n6 w - - 0 1)
Wainwright, Joseph CJ
Les Tours de Force sur l'Echiquier, 0000
#2
11 + 5
| 2794 | Terms & Themes of Chess Problems | 1907 |
SOLUTION
- SOUND
- Sets
- 1...Kxa4
- 2.Sc5#
- 1...Qa2
- 2.Re4#
- 1...Qg4
- 2.Re4#
- 1...Qf5+
- 2.Re4#
- 1...Qc8
- 2.Re4#
- 1...Qe1
- 2.Re4#
- 1...Qe4+
- 2.Rxe4#
- 1...Qb6
- 2.Re4#
- 1...Qc6
- 2.Re4#
- 1...Qf6
- 2.Re4#
- 1...Qg6+
- 2.Re4#
- 1...Qh6
- 2.Re4#
- 1...Kxa4
- Tries
- 1.Sc5+?
- 1...Kxc5
- 2.Rxe6#
- 1...Qb6!
- 1...Kxc5
- 1.Sd8+?
- 1...Kc5
- 2.Rxe6#
- 2.Rb5#
- 1...Qb6
- 2.Re4#
- 1...Kxa4!
- 1...Kc5
- 1.Rxe6+?
- 1...Kxa4
- 2.Sc5#
- 2.Qc2#
- 1...Kb3!
- 1...Kxa4
- 1.Sc5+?
- Keys
- 1.Qc2!
- threat
- 2.Sd6#
- 2.Rxe6#
- 1...Qb3+
- 2.Qxb3#
- 1...Qh3+
- 2.Re3#
- 1...Qc4+
- 2.Qxc4#
- 1...Qd5+
- 2.Sxd5#
- 1...Qf5+
- 2.Re4#
- 1...Qd7+
- 2.Rxd7#
- 1...Qe2+
- 2.Rxe2#
- 1...Qe3+
- 2.Rxe3#
- 1...Qe4+
- 2.Rxe4#
- 1...Qxa6+
- 2.Sxa6#
- 1...Qd6+
- 2.Sxd6#
- 1...Qg6+
- 2.Re4#
- 1...Qxf7
- 2.Sc5#
- 2.Sd6#
- 2.Sd8#
- 2.Re4#
- 2.Rxf7#
- 1...Qxe7
- 2.Sc5#
- 2.Sd6#
- 2.Sd8#
- 2.Sd5#
- 2.Bxe7#
- 2.Qb3#
- 2.Qc4#
- 1...Sxf7
- 2.Sd6#
- 1...Qa2
- 2.Sc5#
- 2.Sd6#
- 2.Sd8#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Re5#
- 2.Re6#
- 2.Rd7#
- 2.Ree8#
- 1...Qg4
- 2.Sc5#
- 2.Sd6#
- 2.Sd8#
- 2.Sd5#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Re5#
- 2.Re6#
- 2.Rd7#
- 2.Ree8#
- 2.Qb3#
- 1...Qc8
- 2.Sd5#
- 2.Re4#
- 2.Re8#
- 2.Qb3#
- 2.Qc4#
- 1...Qe1
- 2.Sc5#
- 2.Sd6#
- 2.Sd8#
- 2.Sd5#
- 2.Rxe1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Re5#
- 2.Re6#
- 2.Qb3#
- 2.Qc4#
- 1...Qe5
- 2.Sc5#
- 2.Rxe5#
- 2.Qb3#
- 2.Qc4#
- 1...Qb6
- 2.Sd5#
- 2.Re4#
- 2.Qb3#
- 2.Qc4#
- 1...Qc6
- 2.Re4#
- 2.Qb3#
- 1...Qf6
- 2.Sd6#
- 2.Sd5#
- 2.Re4#
- 2.Qb3#
- 2.Qc4#
- 1...Qh6
- 2.Sd6#
- 2.Sd5#
- 2.Re4#
- 2.Qb3#
- 2.Qc4#
- 1...Sa3
- 2.Rxe6#
- 1...Sc3
- 2.Rxe6#
- 1...Se4
- 2.Sd6#
- 1...Sh7
- 2.Sd6#
- threat
- 1.Qc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 14
- REMOVED MATES = 9
- Sets
- K(b);P-FLIGHT,XP(D)::S(F)
- Q(e);OGATE::B(K)+R(H),DCHECK
- Q(e);CHECK,OGATE::B(K)+R(H),DCHECK
- Q(e);CHECK,OGATE::B(K)+R(H),DCHECK,XQ(e)
- Tries
- Try
- S(F);CHECK
- Vars
- K(b);S_FLIGHT,XS(F)::B(K)+R(H),XQ(e)
- Refutation
- Q(e);P_SPINQ(e)
- Try
- S(F);CHECK
- Vars
- Q(e);OGATE,P_SPINQ(e)::B(K)+R(H),DCHECK
- Refutation
- K(b);P-FLIGHT,XP(D)
- Try
- R(H);CHECK,XQ(e)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(e);CHECK,N_GUARD::QAR1(B),XQ(e)
- Q(e);CHECK,OGATE::B(K)+R(H)
- Q(e);CHECK,N_GUARD::S(G),XQ(e)
- Q(e);CHECK,OGATE::B(K)+R(H),DCHECK
- Q(e);CHECK,N_GUARD::B(K)+R(H),XQ(e)
- Q(e);CHECK,OGATE::B(K)+R(H),XQ(e)
- Q(e);CHECK,OGATE::B(K)+R(H),DCHECK,XQ(e)
- Q(e);CHECK,XP(E)::S(G),XQ(e)
- Q(e);CHECK::R(J)+S(F),XQ(e)
- S(d);XB(I)::R(J)+S(F)
- S(a);::B(K)+R(H),XQ(e)
- S(d);::R(J)+S(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).