MESON Chess Problem Database
Problem Display
PID: 6008 (3bq3/1B1n2N1/2RQn1b1/4r1rN/3PkB1R/4P1p1/1p2P3/1K6 w - - 0 1)
Mansfield, Comins
1st Prize, Ajedrez Argentino, 1926-1927
#2
11 + 10
| 56 | The Problemist | 1927 |
| 887 | Mate in Two Moves | 1931 |
| 312 | Evening News | 1933 |
| 4797 | A Genius of the Two-mover | 1936 |
| 5862 | An ABC of Chess Problems | 1970 |
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 3202 | Complete Mansfield/I | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Sxg3#
- 1...Sxd4
- 2.Bxg5#
- 2.Qxd4#
- 1...Sec5
- 2.Bxg5#
- 1...Sc7
- 2.Bxg5#
- 1...Sef8
- 2.Bxg5#
- 1...Rf5
- Tries
- 1.Bxe5+?
- 1...Rg4
- 2.Rc3#
- 1...Sf4
- 2.Rc3#
- 1...Kxe3+!
- 1...Rg4
- 1.Qxe5+?
- 1...Rxe5
- 2.Rxe6#
- 1...Sxe5!
- 1...Rxe5
- 1.Qxe6?
- threat
- 2.Bxg5#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rc7#
- 2.Rc8#
- 1...Qxe6
- 2.Rxe6#
- 1...Rxe6
- 2.Rxe6#
- 1...Rxh5
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rc7#
- 2.Rc8#
- 1...Bxh5
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rc7#
- 2.Rc8#
- 1...Qf7
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rc7#
- 2.Rc8#
- 1...Qf8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rc7#
- 2.Rc8#
- 1...Rg4
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rc7#
- 2.Rc8#
- 1...Rf5
- 2.Sxg3#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rc7#
- 2.Rc8#
- 1...Bf5
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rc7#
- 2.Rc8#
- 1...Bb6
- 2.Bxg5#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxb6#
- 2.Rd6#
- 2.Rc7#
- 2.Rc8#
- 1...Bc7
- 2.Bxg5#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rxc7#
- 1...Sc5
- 2.Bxg5#
- 1...Sb6
- 2.Bxg5#
- 1...Sb8
- 2.Bxg5#
- 1...Sf8
- 2.Bxg5#
- 1...Sf6!
- threat
- 1.dxe5?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc7#
- 2.Rc8#
- 2.Qd3#
- 1...Rxe5
- 2.Sxg3#
- 2.Rc4#
- 2.Qd3#
- 1...Sxf4
- 2.Rc3#
- 2.Qd4#
- 1...Sxg7
- 2.Qd3#
- 1...Sxe5
- 2.Rc4#
- 1...Bb6
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxb6#
- 2.Rc7#
- 2.Rc8#
- 2.Qd3#
- 1...Bc7
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rxc7#
- 2.Qd3#
- 1...Sd4
- 2.Bxg5#
- 2.Rc4#
- 2.Qxd4#
- 1...Sec5
- 2.Bxg5#
- 2.Rxc5#
- 2.Qd4#
- 1...Sc7
- 2.Bxg5#
- 2.Rc4#
- 2.Rxc7#
- 2.Qd3#
- 2.Qd4#
- 1...Sb6
- 2.Rc4#
- 2.Qd3#
- 1...Sf6
- 2.Rc4#
- 2.Qd3#
- 1...Sb8
- 2.Rc4#
- 2.Qd3#
- 1...Sdf8
- 2.Rc4#
- 2.Qd3#
- 1...Sdc5!
- threat
- 1.Bxe5+?
- Keys
- 1.Qe7!
- threat
- 2.Rxe6#
- 1...Kd5+
- 2.Rc2#
- 1...Sxd4
- 2.Rc4#
- 1...Sxf4
- 2.Rc3#
- 1...Sxg7
- 2.Rf6#
- 1...Rd5
- 2.Bxg5#
- 1...Sec5
- 2.Rxc5#
- 1...Sc7
- 2.Rxc7#
- 1...Sef8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxg6#
- 2.Rc7#
- 2.Rc8#
- 1...Sdc5
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sb8
- 2.Sf6#
- 1...Sdf8
- 2.Sf6#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 10
- REMOVED MATES = 2
- Sets
- R(e);N_GUARD::S(G),XP(b)
- S(f);N_GUARD::R(F)+B(E),XR(e)
- Tries
- Try
- B(E);CHECK,XR(d)
- Vars
- R(e);P_SPINR(e)::B(J)+R(H)
- S(f);P_SPINS(f)::B(J)+R(H)
- Refutation
- K(c);CHECK,P-FLIGHT,XP(C)
- Try
- Q(I);CHECK,XR(d)
- Vars
- R(e);XQ(I)::B(J)+R(H),XS(f)
- Refutation
- S(h);XQ(I)
- Try
- Q(I);P_PINR(d),XS(f)
- Threat
- DUALS(11)
- Vars
- Q(j);N_SPINR(d),OGATE,XQ(I)::B(J)+R(H),XQ(j)
- R(d);N_SPINR(d),OGATE,XQ(I)::B(J)+R(H),DCHECK,XR(d)
- S(h);::R(F)+B(E),XR(e)
- Refutation
- S(h);
- Try
- P(D);XR(d)
- Threat
- DUALS(10)
- Vars
- S(f);XS(K)::QAB1(I)
- S(h);XP(D)::B(J)+R(H),DCHECK
- Refutation
- S(h);
- Try
- Actual
- Q(I);
- Threat
- B(J)+R(H),XS(f)
- Vars
- K(c);CHECK,S_FLIGHT::B(J)+R(H)
- S(f);P_SPINR(d),XP(D)::B(J)+R(H)
- S(f);P_SPINR(d),P_SPINS(f),XB(E)::B(J)+R(H)
- S(f);OGATE,P_SPINR(d),XS(K)::B(J)+R(H)
- R(d);P_SPINS(f),SBLOCK::R(F)+B(E),XR(e)
- S(f);P_SPINR(d)::B(J)+R(H),XS(f)
- S(h);N_GUARD::S(G)
- S(h);N_GUARD::S(G),XS(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).