MESON Chess Problem Database
Problem Display
PID: 44883 (2N5/6K1/2P1kNQ1/1B2q3/2P5/2p1Bp2/1n5n/4R3 w - - 0 1)
Mansfield, Comins
Die Schwalbe, 1971
#2
9 + 6
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Qg3
- 2.Sg4#
- 1...Qd4
- 2.Bxd4#
- 1...Qf4
- 2.Bxf4#
- 1...Qd6
- 2.Sg4#
- 2.Sd7#
- 1...Qxf6+
- 2.Qxf6#
- 1...Qc7+
- 2.Sd7#
- 1...Qb8
- 2.Sg4#
- 2.Sd7#
- 1...Qxe3
- 2.Sg4#
- 2.Sd7#
- 2.Rxe3#
- 1...Qe4
- 2.Qxe4#
- 1...Qxb5
- 2.Sg4#
- 2.Sd7#
- 2.Bc5#
- 1...Qc5
- 2.Sg4#
- 2.Sd7#
- 2.Bxc5#
- 1...Qd5
- 2.Sg4#
- 2.Sd7#
- 1...Qf5
- 2.Qe8#
- 1...Qg5
- 2.Bxg5#
- 1...Qh5
- 2.Bg5#
- 1...Qg3
- Tries
- 1.Bd4?
- threat
- 2.Rxe5#
- 1...Qxe1
- 2.Se4#
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 1...Sxc4
- 2.Bxc4#
- 1...Qe2
- 2.Se4#
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 1...Qe3
- 2.Se4#
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Rxe3#
- 1...Qe4
- 2.Sxe4#
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Rxe4#
- 2.Qxe4#
- 1...Sg4
- 2.Qxg4#
- 1...Sd3!
- threat
- 1.Bf4?
- threat
- 2.Rxe5#
- 1...Qxe1
- 2.Se4#
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 1...Sxc4
- 2.Bxc4#
- 1...Qe2
- 2.Se4#
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 1...Qe3
- 2.Se4#
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Rxe3#
- 1...Qe4
- 2.Sxe4#
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Rxe4#
- 2.Qxe4#
- 1...Sg4
- 2.Qxg4#
- 1...Sd3!
- threat
- 1.Qg4+?
- 1...Qf5
- 2.Bc1#
- 2.Bg1#
- 2.Bd2#
- 2.Bf2#
- 2.Bd4#
- 2.Bf4#
- 2.Bc5#
- 2.Bg5#
- 2.Bb6#
- 2.Bh6#
- 2.Ba7#
- 1...Sxg4!
- 1...Qf5
- 1.Bd4?
- Keys
- 1.c7!
- threat
- 2.Bd7#
- 1...Qxf6+
- 2.Qxf6#
- 1...Qxc7+
- 2.Sd7#
- 1...Qxe3
- 2.Sg4#
- 2.Sd7#
- 2.Rxe3#
- 1...Qxb5
- 2.Bc5#
- 1...Qg3
- 2.Sg4#
- 1...Qd4
- 2.Bxd4#
- 1...Qf4
- 2.Bxf4#
- 1...Qd6
- 2.Sg4#
- 2.Sd7#
- 1...Qe4
- 2.Qxe4#
- 1...Qc5
- 2.Sg4#
- 2.Sd7#
- 2.Bxc5#
- 1...Qd5
- 2.Sg4#
- 2.Sd7#
- 1...Qf5
- 2.Qe8#
- 1...Qg5
- 2.Bxg5#
- 1...Qh5
- 2.Bg5#
- threat
- 1.c7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(e);N_PINS(F),P_PINQ(G)::QAR(G)+S(F)
- Q(e);OGATEB::R(A)+B(B),XQ(e)
- Q(e);N_PINS(F),OGATEB::R(A)+B(B),XQ(e)
- Q(e);CHECK,OGATE,P_SPINQ(e),XS(F)::QAR1(G),XQ(e)
- Q(e);CHECK,N_PINS(F)::QAR(G)+S(F)
- Q(e);N_PINS(F),OGATEB::QAR2(G),XQ(e)
- Q(e);N_PINS(F),SBLOCK::QAR2(G)
- Q(e);N_PINS(F),OGATEB,P_PINQ(G)::R(A)+B(B),XQ(e)
- Q(e);N_PINS(F),OGATEB::R(A)+B(B)
- Tries
- Try
- B(B);P_PINQ(e)
- Threat
- R1(A),XQ(e)
- Vars
- S(a);OGATE,XP(C)::B(D),XS(a)
- S(b);N_GUARD::QAB(G),XS(b)
- Refutation
- S(a);
- Try
- B(B);P_PINQ(e)
- Threat
- R1(A),XQ(e)
- Vars
- S(a);OGATE,XP(C)::B(D),XS(a)
- S(b);N_GUARD::QAB(G),XS(b)
- Refutation
- S(a);
- Try
- Q(G);CHECK
- Refutation
- S(b);XQ(G)
- Try
- Actual
- P(E);
- Threat
- B(D)
- Vars
- Q(e);CHECK,OGATE,P_SPINQ(e),XS(F)::QAR1(G),XQ(e)
- Q(e);CHECK,N_PINS(F),XP(E)::QAR(G)+S(F)
- Q(e);N_PINS(F),OGATEB,XB(D)::R(A)+B(B)
- Q(e);N_PINS(F),P_PINQ(G)::QAR(G)+S(F)
- Q(e);OGATEB::R(A)+B(B),XQ(e)
- Q(e);N_PINS(F),OGATEB::R(A)+B(B),XQ(e)
- Q(e);N_PINS(F),OGATEB::QAR2(G),XQ(e)
- Q(e);N_PINS(F),SBLOCK::QAR2(G)
- Q(e);N_PINS(F),OGATEB,P_PINQ(G)::R(A)+B(B),XQ(e)
- Q(e);N_PINS(F),OGATEB::R(A)+B(B)
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).