MESON Chess Problem Database
Problem Display
PID: 145197 (3KRQ2/4n3/2P5/2PkNP2/B7/2P2PP1/3B4/4R3 w - - 0 1)
Boswell, Edward
Grantham Journal, 1927
(First published on Sat Dec 31 1927)
#2
13 + 2
| 14868 | Pirnie Collection | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Sxf5
- 2.Bb3#
- 1...Sxc6+
- 2.Bxc6#
- 1...Sg6
- 2.Bb3#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 1...Sg8
- 2.Bb3#
- 2.Qd6#
- 1...Sxf5
- Tries
- 1.Kc7?
- 1...Sxf5
- 2.Bb3#
- 1...Sxc6
- 2.Bb3#
- 2.Bxc6#
- 2.Qd6#
- 1...Sg6
- 2.Bb3#
- 2.Rd8#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 1...Sg8
- 2.Bb3#
- 2.Rd8#
- 2.Qd6#
- 1...Kxc5!
- 1...Sxf5
- 1.Kd7?
- 1...Sxf5
- 2.Bb3#
- 1...Sxc6
- 2.Bb3#
- 2.Bxc6#
- 2.Qd6#
- 1...Sg6
- 2.Bb3#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 1...Sg8
- 2.Bb3#
- 2.Qd6#
- 1...Kxc5!
- 1...Sxf5
- 1.Bc1?
- 1...Sxc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bb3#
- 1...Sg6
- 2.Bb3#
- 2.Rd1#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 2.Rd1#
- 1...Sg8
- 2.Bb3#
- 2.Rd1#
- 2.Qd6#
- 1...Kxc5!
- 1...Sxc6+
- 1.Be3?
- 1...Sxc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bb3#
- 2.Qf7#
- 2.Qg8#
- 2.c4#
- 1...Sg6
- 2.Bb3#
- 2.Rd1#
- 2.Qd6#
- 2.Qf7#
- 2.Qg8#
- 2.c4#
- 1...Sc8
- 2.Bb3#
- 2.Rd1#
- 2.Qf7#
- 2.Qg8#
- 2.c4#
- 1...Sg8
- 2.Bb3#
- 2.Rd1#
- 2.Qd6#
- 2.Qf7#
- 2.Qxg8#
- 2.c4#
- 1...Kxe5!
- 1...Sxc6+
- 1.Bf4?
- 1...Sxc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bb3#
- 1...Sg6
- 2.Bb3#
- 2.Rd1#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 2.Rd1#
- 1...Sg8
- 2.Bb3#
- 2.Rd1#
- 2.Qd6#
- 1...Kxc5!
- 1...Sxc6+
- 1.Bg5?
- 1...Sxc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bb3#
- 1...Sg6
- 2.Bb3#
- 2.Rd1#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 2.Rd1#
- 1...Sg8
- 2.Bb3#
- 2.Rd1#
- 2.Qd6#
- 1...Kxc5!
- 1...Sxc6+
- 1.Bh6?
- 1...Sxc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bb3#
- 1...Sg6
- 2.Bb3#
- 2.Rd1#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 2.Rd1#
- 1...Sg8
- 2.Bb3#
- 2.Rd1#
- 2.Qd6#
- 1...Kxc5!
- 1...Sxc6+
- 1.Bb5?
- 1...Sxc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bc4#
- 1...Sg6
- 2.Bc4#
- 2.Qd6#
- 1...Sc8
- 2.Bc4#
- 1...Sg8
- 2.Bc4#
- 2.Qd6#
- 1...Kxc5!
- 1...Sxc6+
- 1.Re2?
- 1...Sxc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bb3#
- 1...Sg6
- 2.Bb3#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 1...Sg8
- 2.Bb3#
- 2.Qd6#
- 1...Kxc5!
- 1...Sxc6+
- 1.Re3?
- 1...Sxc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bb3#
- 1...Sg6
- 2.Bb3#
- 2.Rd3#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 2.Rd3#
- 1...Sg8
- 2.Bb3#
- 2.Rd3#
- 2.Qd6#
- 1...Kxc5!
- 1...Sxc6+
- 1.Re4?
- 1...Sxc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bb3#
- 2.c4#
- 1...Sg6
- 2.Bb3#
- 2.Rd4#
- 2.Qd6#
- 2.c4#
- 1...Sc8
- 2.Bb3#
- 2.Rd4#
- 2.c4#
- 1...Sg8
- 2.Bb3#
- 2.Rd4#
- 2.Qd6#
- 2.c4#
- 1...Kxc5!
- 1...Sxc6+
- 1.f4?
- 1...Sxc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bb3#
- 1...Sg6
- 2.Bb3#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 1...Sg8
- 2.Bb3#
- 2.Qd6#
- 1...Kxc5!
- 1...Sxc6+
- 1.g4?
- 1...Sxc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bb3#
- 1...Sg6
- 2.Bb3#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 1...Sg8
- 2.Bb3#
- 2.Qd6#
- 1...Kxc5!
- 1...Sxc6+
- 1.c7?
- 1...Sc6+
- 2.Bxc6#
- 1...Sxf5
- 2.Bb3#
- 2.Bc6#
- 1...Sg6
- 2.Bb3#
- 2.Bc6#
- 2.Qd6#
- 1...Sc8
- 2.Bb3#
- 2.Bc6#
- 1...Sg8
- 2.Bb3#
- 2.Bc6#
- 2.Qd6#
- 1...Kxc5!
- 1...Sc6+
- 1.Kc7?
- Keys
- 1.Rd1!
- 1...Sxc6+
- 2.Bxc6#
- 1...Kxc5
- 2.Be3#
- 1...Kxe5
- 2.Bf4#
- 1...Sxf5
- 2.Bb3#
- 1...Sg6
- 2.Bc1#
- 2.Be1#
- 2.Be3#
- 2.Bf4#
- 2.Bg5#
- 2.Bh6#
- 2.Bb3#
- 2.Qd6#
- 1...Sc8
- 2.Bc1#
- 2.Be1#
- 2.Be3#
- 2.Bf4#
- 2.Bg5#
- 2.Bh6#
- 2.Bb3#
- 1...Sg8
- 2.Bc1#
- 2.Be1#
- 2.Be3#
- 2.Bf4#
- 2.Bg5#
- 2.Bh6#
- 2.Bb3#
- 2.Qd6#
- 1...Sxc6+
- 1.Rd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(b);XP(I)::B(F)
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- S(b);::B(F)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- S(b);XP(I)::B(F)
- S(b);::B(F)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- K(K);P-FLIGHT
- Vars
- S(b);XP(I)::B(F)
- S(b);::B(F)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- B(B);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- S(b);XP(I)::B(F)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- B(B);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XS(H)
- Try
- B(B);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- S(b);XP(I)::B(F)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- B(B);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- S(b);XP(I)::B(F)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- B(B);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- S(b);XP(I)::B(F)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- B(F);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- S(b);XP(I)::B(F)
- S(b);::B(F)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- R(A);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- S(b);XP(I)::B(F)
- S(b);::B(F)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- R(A);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- S(b);XP(I)::B(F)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- R(A);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- P(D);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- S(b);XP(I)::B(F)
- S(b);::B(F)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- P(E);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- S(b);XP(I)::B(F)
- S(b);::B(F)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- P(J);
- Vars
- S(b);CHECK,N_GUARD::B(F),XS(b)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- Actual
- R(A);
- Vars
- S(b);CHECK,OGATE,XP(J)::B(F),XS(b)
- K(a);P-FLIGHT,P_SPINS(b),XP(G)::B(B)
- K(a);P-FLIGHT,P_SPINS(b),XS(H)::B(B)
- S(b);XP(I)::B(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).