MESON Chess Problem Database
Problem Display
PID: 16941 (b1r3R1/1B3p2/3Qp3/2N2kN1/3q1B1K/6p1/8/5R2 w - - 0 1)
Wenman, Francis Percival (aka Percy Wenman)
One Hundred Published Problems, 1944
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Bc1#
- 1...Qg1
- 2.Qe5#
- 1...Qb2
- 2.Bd2#
- 1...Qf2
- 2.Qe5#
- 1...Qc3
- 2.Be3#
- 1...Qe3
- 2.Bxe3#
- 1...Qxc5
- 2.Be3#
- 1...Qe5
- 2.Bxe5#
- 2.Qxe5#
- 1...Qf6
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Be5#
- 2.Qd3#
- 1...Qd1
- 2.Qe5#
- 1...Qd2
- 2.Bxd2#
- 2.Qe5#
- 1...Qd3
- 2.Qe5#
- 1...Qa4
- 2.Qe5#
- 1...Qb4
- 2.Qe5#
- 1...Qc4
- 2.Qe5#
- 1...Qxf4+
- 2.Rxf4#
- 2.Qxf4#
- 1...Qxd6
- 2.Bxd6#
- 1...e5
- 2.Bxc8#
- 1...f6
- 2.Qxe6#
- 1...Qa1
- Tries
- 1.Sh7?
- threat
- 2.Rg5#
- 1...Qf6+
- 2.Bg5#
- 1...Qxf4+
- 2.Rxf4#
- 2.Qxf4#
- 1...Qg7
- 2.Qd3#
- 1...f6
- 2.Qxe6#
- 1...Rxg8!
- threat
- 1.Qxd4?
- threat
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 2.Qe5#
- 1...Rxc5
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 1...Bxb7
- 2.Qe5#
- 1...e5
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Bxe5#
- 2.Qxe5#
- 1...Rc7
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Be5#
- 2.Bd6#
- 2.Bxc7#
- 2.Qe5#
- 1...Rb8
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bxb8#
- 2.Qe5#
- 1...g2
- 2.Qe5#
- 1...f6
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 2.Qd3#
- 2.Qe4#
- 1...Rxg8!
- threat
- 1.Sh7?
- Keys
- 1.Sgxe6!
- threat
- 2.Sxd4#
- 1...Qf6+
- 2.Bg5#
- 1...Qh8+
- 2.Bh6#
- 1...Qxf4+
- 2.Rxf4#
- 2.Qxf4#
- 1...Kf6
- 2.Sxd4#
- 1...Qxc5
- 2.Sg7#
- 2.Be3#
- 1...Qxd6
- 2.Bxd6#
- 1...fxe6
- 2.Qxe6#
- 1...Qg7
- 2.Sxg7#
- 1...Qa1
- 2.Bc1#
- 1...Qg1
- 2.Sg7#
- 2.Qe5#
- 1...Qb2
- 2.Bd2#
- 1...Qf2
- 2.Sg7#
- 2.Qe5#
- 1...Qc3
- 2.Be3#
- 1...Qe3
- 2.Sg7#
- 2.Bxe3#
- 1...Qe5
- 2.Bxe5#
- 2.Qxe5#
- 1...Qd1
- 2.Sg7#
- 2.Qe5#
- 1...Qd2
- 2.Sg7#
- 2.Bxd2#
- 2.Qe5#
- 1...Qd3
- 2.Sg7#
- 2.Qe5#
- 1...Qa4
- 2.Sg7#
- 2.Qe5#
- 1...Qb4
- 2.Sg7#
- 2.Qe5#
- 1...Qc4
- 2.Sg7#
- 2.Qe5#
- 1...Qe4
- 2.Sg7#
- 1...Qd5
- 2.Sg7#
- threat
- 1.Sgxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 11
- Sets
- Q(b);N_PINB(B)::R(A)+B(B)
- Q(b);N_GUARD,N_PINB(B)::QAR1(F)
- Q(b);N_PINB(B)::R(A)+B(B),XQ(b)
- Q(b);N_PINB(B),XS(D)::R(A)+B(B)
- Q(b);N_GUARD::QAR1(F)
- Q(b);N_PINB(B),XQ(F)::R(A)+B(B),XQ(b)
- P(d);OGATEB::B(G),XR(g)
- P(e);N_GUARD::QAB1(F),XP(d)
- Tries
- Try
- S(E);
- Threat
- R1(H)
- Vars
- Q(b);CHECK,N_PINB(B)::R(A)+B(B)
- Q(b);N_PINB(B),OGATE::QAB(F)
- P(e);N_GUARD::QAB1(F),XP(d)
- Refutation
- R(g);XR(H)
- Try
- Q(F);N_SPINB(B),XQ(b)
- Threat
- DUALS(9)
- Vars
- B(f);XB(G)::QAR1(F)
- P(a);::QAR1(F)
- Refutation
- R(g);XR(H)
- Try
- Actual
- S(E);XP(d)
- Threat
- S(E),XQ(b)
- Vars
- Q(b);CHECK,N_PINB(B)::R(A)+B(B)
- K(c);P-FLIGHT::QAR(F)+S(E),XQ(b)
- Q(b);N_PINB(B),XQ(F)::R(A)+B(B),XQ(b)
- P(e);OGATE,XS(E)::QAB1(F),XP(e)
- Q(b);N_GUARD,N_PINB(B)::S(E),XQ(b)
- Q(b);N_PINB(B)::R(A)+B(B)
- Q(b);N_GUARD::S(E)
- Q(b);N_GUARD,N_PINB(B)::S(E)
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).