MESON Chess Problem Database
Problem Display
PID: 21030 (b3B3/1P3n2/3pp3/BR3p2/kb1n3R/5p2/PPr1r3/K1NQq3 w - - 0 1)
Mansfield, Comins
1st Prize, Hampshire Telegraph and Post, 1915
#2
10 + 12
| 3132 | The Good Companion Two-Mover | 1922 |
| 4797 | A Genius of the Two-mover | 1936 |
| 3391 | Het Half Pin Thema | 1947 |
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 3202 | Complete Mansfield/I | 1996 |
| 4054 | Complete Mansfield/III | 1999 |
| 5308 | La genialita compositiva di Giorgio Guidelli | 2004 |
| 23 | Die Schwalbe | 2007 |
| 14868 | Pirnie Collection | 2013 |
| 23 | Die Schwalbe | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd2
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rxf5#
- 2.Qxc2#
- 1...Ba3
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rxf5#
- 2.b3#
- 1...Bc3
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rxf5#
- 1...Bxa5
- 2.Rb6#
- 1...Bc5
- 2.Rxc5#
- 1...Sb3+
- 2.axb3#
- 1...Bd2
- Tries
- 1.Bb6?
- threat
- 2.Ra5#
- 1...Sb3+
- 2.axb3#
- 1...Sxb5
- 2.bxa8Q#
- 2.bxa8R#
- 1...Bd2
- 2.Qxc2#
- 1...Ba3
- 2.b3#
- 1...Bc3
- 2.Rb3#
- 1...Bc5
- 2.Rb3#
- 1...Ba5!
- threat
- 1.Bd8?
- threat
- 2.Ra5#
- 1...Sb3+
- 2.axb3#
- 1...Sxb5
- 2.bxa8Q#
- 2.bxa8R#
- 1...Bd2
- 2.Qxc2#
- 1...Ba3
- 2.b3#
- 1...Bc3
- 2.Rb3#
- 1...Ba5
- 2.Rb6#
- 1...Bc5
- 2.Rb3#
- 1...Sxd8!
- threat
- 1.Rc5+?
- 1...Sc6
- 2.Bxc6#
- 1...Sb5!
- 1...Sc6
- 1.Rd5+?
- 1...Sc6
- 2.Bxc6#
- 1...Sb5!
- 1...Sc6
- 1.Re5+?
- 1...Sc6
- 2.Bxc6#
- 1...Sb5!
- 1...Sc6
- 1.Rxf5+?
- 1...Sc6
- 2.Bxc6#
- 1...Sb5!
- 1...Sc6
- 1.bxa8Q?
- threat
- 2.Bxb4#
- 2.Rxb4#
- 1...Sb3+
- 2.axb3#
- 1...Bxa5
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Sxb5
- 2.Bxb4#
- 2.Bb6#
- 2.Bc7#
- 2.Bd8#
- 1...Bd2
- 2.Bxd2#
- 2.Bc3#
- 2.Bb4#
- 2.Rb4#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rxf5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 2.Qxc2#
- 1...Ba3
- 2.Bxe1#
- 2.Bd2#
- 2.Bc3#
- 2.Bb4#
- 2.Rb4#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rxf5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 2.b3#
- 1...Bc3
- 2.Bxc3#
- 2.Bb4#
- 2.Rb3#
- 2.Rb4#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rxf5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Bc5
- 2.Rb3#
- 2.Rb4#
- 2.Rxc5#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Sc6!
- threat
- 1.bxa8R?
- threat
- 2.Bxb4#
- 2.Rxb4#
- 1...Sb3+
- 2.axb3#
- 1...Bxa5
- 2.Rb6#
- 2.Rb7#
- 2.Rbb8#
- 1...Sxb5
- 2.Bxb4#
- 2.Bb6#
- 2.Bc7#
- 2.Bd8#
- 1...Bd2
- 2.Bxd2#
- 2.Bc3#
- 2.Bb4#
- 2.Rb4#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rxf5#
- 2.Rb6#
- 2.Rb7#
- 2.Rbb8#
- 2.Qxc2#
- 1...Ba3
- 2.Bxe1#
- 2.Bd2#
- 2.Bc3#
- 2.Bb4#
- 2.Rb4#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rxf5#
- 2.Rb6#
- 2.Rb7#
- 2.Rbb8#
- 2.b3#
- 1...Bc3
- 2.Bxc3#
- 2.Bb4#
- 2.Rb3#
- 2.Rb4#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rxf5#
- 2.Rb6#
- 2.Rb7#
- 2.Rbb8#
- 1...Bc5
- 2.Rb3#
- 2.Rb4#
- 2.Rxc5#
- 2.Rb6#
- 2.Rb7#
- 2.Rbb8#
- 1...Sc6!
- threat
- 1.Bb6?
- Keys
- 1.Bc7!
- threat
- 2.Ra5#
- 1...Sb3+
- 2.axb3#
- 1...Sxb5
- 2.bxa8Q#
- 2.bxa8R#
- 1...Bd2
- 2.Qxc2#
- 1...Ba3
- 2.b3#
- 1...Bc3
- 2.Rb3#
- 1...Ba5
- 2.Rb6#
- 1...Bc5
- 2.Rb3#
- threat
- 1.Bc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(f);P_SPINS(g),SBLOCK,XB(G)::B(J)+R(H)
- B(f);P_SPINS(g)::B(J)+R(H),XB(f)
- S(g);CHECK,N_SPINR(b),OGATE,P_SPINB(f)::P(D),XS(g)
- Tries
- Try
- B(G);
- Threat
- B(J)+R(H),DCHECK
- Vars
- S(g);CHECK,N_SPINR(b),OGATE,P_SPINB(f)::P(D),XS(g)
- S(g);P_SPINB(f),P_SPINS(g),XR(H)::PXB(l)=Q
- B(f);P_SPINS(g),S_CUTR(c)::QAB(C),XR(b)
- B(f);P_SPINS(g),SBLOCK::P(E)
- B(f);OGATE,P_PINP(E),P_SPINS(g)::B(J)+R(H)
- B(f);OGATE,P_SPINS(g)::B(J)+R(H)
- Refutation
- B(f);P_SPINS(g)
- Try
- B(G);
- Threat
- B(J)+R(H),DCHECK
- Vars
- S(g);CHECK,N_SPINR(b),OGATE,P_SPINB(f)::P(D),XS(g)
- S(g);P_SPINB(f),P_SPINS(g),XR(H)::PXB(l)=Q
- B(f);P_SPINS(g),S_CUTR(c)::QAB(C),XR(b)
- B(f);P_SPINS(g),SBLOCK::P(E)
- B(f);OGATE,P_PINP(E),P_SPINS(g)::B(J)+R(H)
- B(f);P_SPINS(g),SBLOCK::B(J)+R(H)
- B(f);OGATE,P_SPINS(g)::B(J)+R(H)
- Refutation
- S(k);XB(G)
- Try
- R(H);CHECK
- Vars
- S(g);N_GUARD,P_SPINB(f),P_SPINS(g)::B(J),XS(g)
- Refutation
- S(g);P_SPINB(f),P_SPINS(g)
- Try
- R(H);CHECK
- Vars
- S(g);N_GUARD,P_SPINB(f),P_SPINS(g)::B(J),XS(g)
- Refutation
- S(g);P_SPINB(f),P_SPINS(g)
- Try
- R(H);CHECK
- Vars
- S(g);N_GUARD,P_SPINB(f),P_SPINS(g)::B(J),XS(g)
- Refutation
- S(g);P_SPINB(f),P_SPINS(g)
- Try
- R(H);CHECK,XP(h)
- Vars
- S(g);N_GUARD,P_SPINB(f),P_SPINS(g)::B(J),XS(g)
- Refutation
- S(g);P_SPINB(f),P_SPINS(g)
- Try
- P(I);XB(l)
- Threat
- DUALS(2)
- Vars
- S(g);CHECK,N_SPINR(b),OGATE,P_SPINB(f)::P(D),XS(g)
- Refutation
- S(g);P_SPINB(f)
- Try
- P(I);XB(l)
- Threat
- DUALS(2)
- Vars
- S(g);CHECK,N_SPINR(b),OGATE,P_SPINB(f)::P(D),XS(g)
- Refutation
- S(g);P_SPINB(f)
- Try
- Actual
- B(G);
- Threat
- B(J)+R(H),DCHECK
- Vars
- S(g);CHECK,N_SPINR(b),OGATE,P_SPINB(f)::P(D),XS(g)
- S(g);P_SPINB(f),P_SPINS(g),XR(H)::PXB(l)=Q
- B(f);P_SPINS(g),S_CUTR(c)::QAB(C),XR(b)
- B(f);P_SPINS(g),SBLOCK::P(E)
- B(f);OGATE,P_PINP(E),P_SPINS(g)::B(J)+R(H)
- B(f);P_SPINS(g),SBLOCK::B(J)+R(H)
- B(f);OGATE,P_SPINS(g)::B(J)+R(H)
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).