MESON Chess Problem Database
Problem Display
PID: 42288 (1B1n4/2R4K/1p1qP3/1p1PkP2/2P1b2Q/2P1N1NB/4R3/3r1r2 w - - 0 1)
Mansfield, Comins
6th HM., Magyar Sakkelet, 1968
#2
13 + 8
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Qa3
- 2.Rc5#
- 1...Qb4
- 2.Rc5#
- 1...Qc5
- 2.Rxc5#
- 1...Qxc7+
- 2.Bxc7#
- 1...Qe7+
- 2.Rxe7#
- 1...Qf8
- 2.Re7#
- 1...Qxd5
- 2.Rc5#
- 1...Qc6
- 2.Rxc6#
- 1...Qxe6
- 2.Re7#
- 1...Qd7+
- 2.Rxd7#
- 1...Bb1
- 2.Sc2#
- 1...Bh1
- 2.Sg2#
- 1...Bc2
- 2.Sxc2#
- 1...Bg2
- 2.Sxg2#
- 1...Bd3
- 2.Qd4#
- 1...Bxd5
- 2.Sxd5#
- 1...Bxf5+
- 2.Sexf5#
- 1...Qa3
- Tries
- 1.Qg5?
- threat
- 2.Sg4#
- 1...Qxc7+
- 2.Bxc7#
- 1...Qe7+
- 2.Rxe7#
- 1...Qd7+
- 2.Rxd7#
- 1...Bxf5+
- 2.Sexf5#
- 1...Qxd5
- 2.Rc5#
- 1...Qxe6
- 2.Re7#
- 1...Qa3
- 2.Rc5#
- 1...Qb4
- 2.Rc5#
- 1...Qc5
- 2.Rxc5#
- 1...Qf8
- 2.Re7#
- 1...Qc6
- 2.Rxc6#
- 1...Rf4
- 2.Qg7#
- 1...bxc4!
- threat
- 1.Qh6?
- threat
- 2.Sg4#
- 1...Qxc7+
- 2.Bxc7#
- 1...Qe7+
- 2.Rxe7#
- 1...Qd7+
- 2.Rxd7#
- 1...Bxf5+
- 2.Sexf5#
- 1...Qxd5
- 2.Rc5#
- 1...Qxe6
- 2.Re7#
- 1...Qa3
- 2.Rc5#
- 1...Qb4
- 2.Rc5#
- 1...Qc5
- 2.Rxc5#
- 1...Qf8
- 2.Re7#
- 1...Qc6
- 2.Rxc6#
- 1...Rf4
- 2.Qg7#
- 1...bxc4!
- threat
- 1.Qg5?
- Keys
- 1.Sh5!
- threat
- 2.Qf6#
- 1...Qxc7+
- 2.Bxc7#
- 1...Qe7+
- 2.Rxe7#
- 1...Qd7+
- 2.Rxd7#
- 1...Bxf5+
- 2.Sxf5#
- 1...Qxd5
- 2.Rc5#
- 1...Qxe6
- 2.Re7#
- 1...Rxf5
- 2.Sg4#
- 1...Bxd5
- 2.Sxd5#
- 1...Qa3
- 2.Rc5#
- 1...Qb4
- 2.Rc5#
- 1...Qc5
- 2.Rxc5#
- 1...Qf8
- 2.Re7#
- 1...Qc6
- 2.Rxc6#
- 1...Bb1
- 2.Sc2#
- 1...Bh1
- 2.Sg2#
- 1...Bc2
- 2.Sxc2#
- 1...Bg2
- 2.Sxg2#
- 1...Bd3
- 2.Qd4#
- 1...Bf3
- 2.Qf4#
- threat
- 1.Sh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(g);OGATEB::B(M)+R(K)
- Q(g);OGATEB::B(M)+R(K),XQ(g)
- Q(g);CHECK,OGATE,P_SPINQ(g),XR(K)::B(M),XQ(g)
- Q(g);CHECK,OGATEB::B(M)+R(K),XQ(g)
- Q(g);OGATEB,XP(H)::B(M)+R(K)
- Q(g);OGATEB,XP(J)::B(M)+R(K)
- B(c);::R(A)+S(C)
- B(c);N_PINP(I)::R(A)+S(C)
- B(c);::R(A)+S(C),XB(c)
- B(c);N_PINP(I)::R(A)+S(C),XB(c)
- B(c);OGATE::QAB1(G)
- B(c);N_PINP(I),XP(H)::R(A)+S(C),XB(c)
- B(c);CHECK,XP(I)::R(A)+S(C),XB(c)
- Tries
- Try
- Q(G);
- Threat
- S(C)
- Vars
- Q(g);CHECK,OGATE,P_SPINQ(g),XR(K)::B(M),XQ(g)
- Q(g);CHECK,OGATEB::B(M)+R(K),XQ(g)
- B(c);CHECK,P_SPINB(c),XP(I)::R(A)+S(C),XB(c)
- Q(g);OGATEB,XP(H)::B(M)+R(K)
- Q(g);OGATEB,XP(J)::B(M)+R(K)
- Q(g);OGATEB::B(M)+R(K)
- Q(g);OGATEB::B(M)+R(K),XQ(g)
- R(b);SBLOCK::QAB(G)
- Refutation
- P(d);XP(F)
- Try
- Q(G);
- Threat
- S(C)
- Vars
- Q(g);CHECK,OGATE,P_SPINQ(g),XR(K)::B(M),XQ(g)
- Q(g);CHECK,OGATEB::B(M)+R(K),XQ(g)
- B(c);CHECK,XP(I)::R(A)+S(C),XB(c)
- Q(g);OGATEB,XP(H)::B(M)+R(K)
- Q(g);OGATEB,XP(J)::B(M)+R(K)
- Q(g);OGATEB::B(M)+R(K)
- Q(g);OGATEB::B(M)+R(K),XQ(g)
- R(b);SBLOCK::QAB(G)
- Refutation
- P(d);XP(F)
- Try
- Actual
- S(D);
- Threat
- QAB1(G)
- Vars
- Q(g);CHECK,OGATE,P_SPINQ(g),XR(K)::B(M),XQ(g)
- Q(g);CHECK,OGATEB::B(M)+R(K),XQ(g)
- B(c);CHECK,XP(I)::R(A)+S(C),XB(c)
- Q(g);OGATEB,XP(H)::B(M)+R(K)
- Q(g);OGATEB,XP(J)::B(M)+R(K)
- R(b);SBLOCK,XP(I)::S(C)
- B(c);N_PINP(I),XP(H)::R(A)+S(C),XB(c)
- Q(g);OGATEB::B(M)+R(K)
- Q(g);OGATEB::B(M)+R(K),XQ(g)
- B(c);::R(A)+S(C)
- B(c);N_PINP(I)::R(A)+S(C)
- B(c);::R(A)+S(C),XB(c)
- B(c);N_PINP(I)::R(A)+S(C),XB(c)
- B(c);OGATE::QAB1(G)
- B(c);N_PINP(I),S_CUTR(b)::QAB1(G)
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).