MESON Chess Problem Database
Problem Display
PID: 109666 (2n5/2R2p2/1P1k4/R7/2K3B1/bp2Q3/2P2P1q/3rB3 w - - 0 1)
Wainwright, Joseph CJ
Les Tours de Force sur l'Echiquier, 1906
#2
9 + 7
| 70 | American Chess Problemist | 1949 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Qf4#
- 2.Qe5#
- 1...Qg3
- 2.Qxg3#
- 1...Qf4+
- 2.Qxf4#
- 1...Qe5
- 2.Qxe5#
- 1...Qh1
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Qxf2
- 2.Qe5#
- 1...Qg2
- 2.Qf4#
- 2.Qe5#
- 1...Qh3
- 2.Qf4#
- 2.Qe5#
- 1...Qh4
- 2.Qf4#
- 2.Qe5#
- 1...Qh6
- 2.Qe5#
- 1...Qh7
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Ra1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rb1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rc1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rxe1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Qxd3#
- 1...Rd4+
- 2.Qxd4#
- 1...Rd5
- 2.Rxd5#
- 1...Bc1
- 2.Bb4#
- 2.Qc5#
- 1...Bb2
- 2.Bb4#
- 2.Qc5#
- 1...Bb4
- 2.Bxb4#
- 1...Bc5
- 2.Qxc5#
- 1...Sxb6+
- 2.Qxb6#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...bxc2
- 2.Qxa3#
- 1...b2
- 2.Qxa3#
- 1...f6
- 2.Qe6#
- 1...Qg1
- Tries
- 1.Bd2?
- threat
- 2.Rd5#
- 2.Qd4#
- 2.Qd3#
- 1...Qf4+
- 2.Qxf4#
- 1...Sxb6+
- 2.Qxb6#
- 1...Qxf2
- 2.Rd5#
- 2.Qe5#
- 1...Rxd2
- 2.Qxd2#
- 1...Qg3
- 2.Rd5#
- 2.Qd4#
- 2.Qxg3#
- 1...Qe5
- 2.Qxe5#
- 1...Qh1
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Qg2
- 2.Qf4#
- 2.Qe5#
- 1...Qh3
- 2.Rd5#
- 2.Qd4#
- 2.Qf4#
- 2.Qe5#
- 1...Qh7
- 2.Rd5#
- 2.Qd4#
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Qh8
- 2.Rd5#
- 1...Bb2
- 2.Bb4#
- 2.Rd5#
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- 1...Se7
- 2.Qxe7#
- 1...f5
- 2.Rd5#
- 1...Qh5!
- threat
- 1.Bxc8?
- threat
- 2.Qe7#
- 1...Qf4+
- 2.Qxf4#
- 1...Rd4+
- 2.Qxd4#
- 1...Rxe1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Qe5
- 2.Qxe5#
- 1...Qh4+!
- threat
- 1.Rac5?
- threat
- 2.R5c6#
- 2.R7c6#
- 2.Rd7#
- 1...Qf4+
- 2.Qxf4#
- 1...Rd4+
- 2.Qxd4#
- 1...Bxc5
- 2.Qxc5#
- 1...Qe5
- 2.R5c6#
- 2.Rd7#
- 2.Qxe5#
- 1...Qh1
- 2.Rd7#
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Qg2
- 2.Rd7#
- 2.Qf4#
- 2.Qe5#
- 1...Sa7
- 2.Rd7#
- 2.Qe7#
- 1...Se7
- 2.Rd7#
- 2.Qxe7#
- 1...f5
- 2.R5c6#
- 1...Sxb6+!
- threat
- 1.Rg5?
- 1...Qf4+
- 2.Qxf4#
- 1...Rd4+
- 2.Qxd4#
- 1...Sxb6+
- 2.Qxb6#
- 1...Qxf2
- 2.Qe5#
- 1...Rxe1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...bxc2
- 2.Qxa3#
- 1...Qh5
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Qg1
- 2.Qf4#
- 2.Qe5#
- 1...Qg3
- 2.Qxg3#
- 1...Qe5
- 2.Qxe5#
- 1...Qh1
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Qg2
- 2.Qf4#
- 2.Qe5#
- 1...Qh3
- 2.Qf4#
- 2.Qe5#
- 1...Qh4
- 2.Qf4#
- 2.Qe5#
- 1...Qh6
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Qh7
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Ra1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rb1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rc1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Qxd3#
- 1...Rd5
- 2.Rxd5#
- 1...Bc1
- 2.Bb4#
- 2.Qc5#
- 1...Bb2
- 2.Bb4#
- 2.Qc5#
- 1...Bb4
- 2.Bxb4#
- 1...Bc5
- 2.Qxc5#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...b2
- 2.Qxa3#
- 1...f5
- 2.Rg6#
- 1...f6
- 2.Qe6#
- 1...Qh8!
- 1...Qf4+
- 1.Qh6+?
- 1...f6
- 2.Qxh2#
- 2.Qxf6#
- 1...Qxh6!
- 1...f6
- 1.Qe4?
- threat
- 2.Rc6#
- 2.Rd7#
- 2.Qc6#
- 1...Rd4+
- 2.Qxd4#
- 1...Qf4
- 2.Rc6#
- 2.Rd7#
- 2.Qxf4#
- 1...Qe5
- 2.Rd7#
- 2.Qc6#
- 2.Qxe5#
- 1...Qh1
- 2.Rc6#
- 2.Rd7#
- 2.Qf4#
- 2.Qe5#
- 1...Qg2
- 2.Rc6#
- 2.Rd7#
- 2.Qf4#
- 2.Qe5#
- 1...Rd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bc5
- 2.Rc6#
- 2.Rd7#
- 1...Sa7
- 2.Rd7#
- 2.Qe7#
- 1...Se7
- 2.Rd7#
- 2.Qxe7#
- 1...f5
- 2.Qc6#
- 1...Sxb6+!
- threat
- 1.Bd2?
- Keys
- 1.Bh3!
- 1...Qf4+
- 2.Qxf4#
- 1...Rd4+
- 2.Qxd4#
- 1...Sxb6+
- 2.Qxb6#
- 1...Qxf2
- 2.Qe5#
- 1...Qxh3
- 2.Qe5#
- 1...Rxe1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...bxc2
- 2.Qxa3#
- 1...Qg1
- 2.Qf4#
- 2.Qe5#
- 1...Qg3
- 2.Qxg3#
- 1...Qe5
- 2.Qxe5#
- 1...Qh1
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Qg2
- 2.Qf4#
- 2.Qe5#
- 1...Ra1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rb1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rc1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Qxd3#
- 1...Rd5
- 2.Rxd5#
- 1...Bc1
- 2.Bb4#
- 2.Qc5#
- 1...Bb2
- 2.Bb4#
- 2.Qc5#
- 1...Bb4
- 2.Bxb4#
- 1...Bc5
- 2.Qxc5#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...b2
- 2.Qxa3#
- 1...f5
- 2.Qh6#
- 1...f6
- 2.Qe6#
- 1...Qf4+
- 1.Bh3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(b);N_GUARD::QAB(D),XQ(b)
- Q(b);CHECK,N_GUARD::QAB(D),XQ(b)
- Q(b);N_GUARD::QAB1(D),XQ(b)
- Q(b);N_GUARD,XP(C)::QAB1(D)
- Q(b);N_GUARD::QAB1(D)
- R(a);N_GUARD::QAR(D),XR(a)
- R(a);CHECK,N_GUARD::QAR2(D),XR(a)
- R(a);N_GUARD::R1(G),XR(a)
- B(c);N_GUARD::B(A),XB(c)
- B(c);N_GUARD::QAB1(D),XB(c)
- S(g);CHECK,OGATE,XP(H)::QAR2(D),XS(g)
- S(g);N_GUARD::QAB1(D)
- S(g);N_GUARD::QAB1(D),XS(g)
- P(d);OGATE,XP(B)::QAB(D),XB(c)
- P(d);OGATE::QAB(D),XB(c)
- P(f);N_GUARD::QAR1(D)
- Tries
- Try
- B(A);
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,N_GUARD::QAB(D),XQ(b)
- S(g);CHECK,OGATE,XP(H)::QAR2(D),XS(g)
- R(a);OGATE,XB(A)::QAR(D),XR(a)
- Q(b);N_GUARD::QAB1(D),XQ(b)
- Q(b);::R1(G)
- B(c);N_GUARD::QAB1(D),XB(c)
- S(g);N_GUARD::QAB1(D),XS(g)
- P(f);::R1(G)
- Refutation
- Q(b);
- Try
- B(F);XS(g)
- Threat
- QAB1(D)
- Vars
- Q(b);CHECK,N_GUARD::QAB(D),XQ(b)
- R(a);CHECK,N_GUARD::QAR2(D),XR(a)
- Q(b);N_GUARD::QAB1(D),XQ(b)
- Refutation
- Q(b);CHECK
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,N_GUARD::QAB(D),XQ(b)
- R(a);CHECK,N_GUARD::QAR2(D),XR(a)
- B(c);OGATE,XR(G)::QAB1(D),XB(c)
- P(f);::R1(G)
- Refutation
- S(g);CHECK,XP(H)
- Try
- R(G);
- Vars
- Q(b);CHECK,N_GUARD::QAB(D),XQ(b)
- R(a);CHECK,N_GUARD::QAR2(D),XR(a)
- S(g);CHECK,OGATE,XP(H)::QAR2(D),XS(g)
- Q(b);N_GUARD,XP(C)::QAB1(D)
- P(d);OGATE,XP(B)::QAB(D),XB(c)
- Q(b);N_GUARD::QAB(D),XQ(b)
- Q(b);N_GUARD::QAB1(D),XQ(b)
- R(a);N_GUARD::QAR(D),XR(a)
- R(a);N_GUARD::R1(G),XR(a)
- B(c);N_GUARD::B(A),XB(c)
- B(c);N_GUARD::QAB1(D),XB(c)
- S(g);N_GUARD::QAB1(D)
- S(g);N_GUARD::QAB1(D),XS(g)
- P(d);OGATE::QAB(D),XB(c)
- P(f);N_GUARD::R(G)
- P(f);N_GUARD::QAR1(D)
- Refutation
- Q(b);
- Try
- Q(D);CHECK
- Refutation
- Q(b);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- R(a);CHECK,N_GUARD::QAR2(D),XR(a)
- P(f);::QAR1(D)
- Refutation
- S(g);CHECK,XP(H)
- Try
- Actual
- B(F);
- Vars
- Q(b);CHECK,N_GUARD::QAB(D),XQ(b)
- R(a);CHECK,N_GUARD::QAR2(D),XR(a)
- S(g);CHECK,OGATE,XP(H)::QAR2(D),XS(g)
- Q(b);N_GUARD,XP(C)::QAB1(D)
- Q(b);N_GUARD,XB(F)::QAB1(D)
- P(d);OGATE,XP(B)::QAB(D),XB(c)
- Q(b);N_GUARD::QAB(D),XQ(b)
- Q(b);N_GUARD::QAB1(D),XQ(b)
- R(a);N_GUARD::QAR(D),XR(a)
- R(a);N_GUARD::R1(G),XR(a)
- B(c);N_GUARD::B(A),XB(c)
- B(c);N_GUARD::QAB1(D),XB(c)
- S(g);N_GUARD::QAB1(D)
- S(g);N_GUARD::QAB1(D),XS(g)
- P(d);OGATE::QAB(D),XB(c)
- P(f);N_GUARD::QAR(D)
- P(f);N_GUARD::QAR1(D)
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).