MESON Chess Problem Database
Problem Display
PID: 92165 (2n2r2/B1n4Q/b1N2kB1/3P4/q4NK1/b2P4/2P2R2/r3R3 w - - 0 1)
Wilson, Francis Vaux
Schach-Echo, 1971
#2
11 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxc2
- 2.Se2#
- 2.Sh5#
- 2.Bd4#
- 1...Qb3
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Bd4#
- 1...Qb5
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Bd4#
- 1...Qxc6
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Bd4#
- 1...Qd4
- 2.Bxd4#
- 1...Qxf4+
- 2.Rxf4#
- 1...Qa5
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Bd4#
- 1...Rf7
- 2.Qxf7#
- 1...Rd8
- 2.Qf7#
- 1...Re8
- 2.Qf7#
- 1...Rg8
- 2.Qf7#
- 1...Rh8
- 2.Qf7#
- 2.Qxh8#
- 1...Bb4
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Bd4#
- 1...Bc4
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Bd4#
- 1...Sb5
- 2.Re6#
- 1...Sxd5
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...Sd6
- 2.Qe7#
- 1...Qxc2
- Tries
- 1.Sd4?
- threat
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Sfe6#
- 1...Qd7+
- 2.Sfe6#
- 1...Qxc2
- 2.Sh5#
- 1...Qxd4
- 2.Bxd4#
- 1...Bxd3
- 2.Sxd3#
- 2.Sh5#
- 1...Sxd5
- 2.Sxd5#
- 2.Sh5#
- 2.Re6#
- 1...Rf7
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Qxf7#
- 1...Bc1
- 2.Sh5#
- 1...Bd6
- 2.Sh5#
- 1...Se6
- 2.Sh5#
- 2.Sfxe6#
- 2.Rxe6#
- 1...Sd6
- 2.Sh5#
- 2.Qe7#
- 1...Se7
- 2.Sh5#
- 1...Rxe1!
- threat
- 1.Be4?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 2.Qg6#
- 1...Rg8+
- 2.Sg6#
- 1...Qxc2
- 2.Se2#
- 2.Sh5#
- 2.Bd4#
- 2.Qg6#
- 1...Qxc6
- 2.Sg6#
- 2.Bd4#
- 1...Sxd5
- 2.Qg6#
- 1...Qd4
- 2.Sh5#
- 2.Bxd4#
- 2.Qg6#
- 1...Bc1
- 2.Sh5#
- 2.Qg6#
- 1...Bc5
- 2.Sh5#
- 2.Qg6#
- 1...Bd6
- 2.Sh5#
- 2.Qg6#
- 1...Se6
- 2.Sh5#
- 2.Sxe6#
- 2.Qg6#
- 1...Sd6
- 2.Sh5#
- 2.Qg6#
- 2.Qe7#
- 1...Se7
- 2.Sh5#
- 1...Qxe4!
- threat
- 1.Re4?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 1...Rg1+
- 2.Sg2#
- 1...Qxc2
- 2.Se2#
- 2.Sh5#
- 2.Bd4#
- 1...Sxd5
- 2.Sxd5#
- 2.Sh5#
- 2.Re6#
- 1...Qd4
- 2.Sh5#
- 2.Bxd4#
- 1...Rf1
- 2.Sh5#
- 1...Bc1
- 2.Sh5#
- 1...Bc5
- 2.Sh5#
- 1...Bd6
- 2.Sh5#
- 1...Se6
- 2.Sh5#
- 2.Sxe6#
- 2.Rxe6#
- 1...Sd6
- 2.Sh5#
- 2.Qe7#
- 1...Se7
- 2.Sh5#
- 1...Qxe4!
- threat
- 1.c4?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Bd4#
- 1...Qd1+
- 2.Se2#
- 1...Qxc6
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Bd4#
- 1...Rxe1
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 1...Sxd5
- 2.Sxd5#
- 2.Sh5#
- 2.Bd4#
- 2.Re6#
- 1...Sxa7
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 1...Qc2
- 2.Se2#
- 2.Sh5#
- 2.Bd4#
- 1...Ra2
- 2.Se2#
- 2.Sh5#
- 2.Bd4#
- 1...Re8
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Qf7#
- 1...Bc1
- 2.Sh5#
- 2.Bd4#
- 1...Bb2
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 1...Bc5
- 2.Sh5#
- 1...Bd6
- 2.Sh5#
- 1...Sb5
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Re6#
- 1...Se6
- 2.Sh5#
- 2.Sxe6#
- 2.Rxe6#
- 1...Sb6
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 1...Sd6
- 2.Sh5#
- 2.Bd4#
- 2.Qe7#
- 1...Se7
- 2.Sh5#
- 2.Bd4#
- 1...Qxc4!
- threat
- 1.Sd4?
- Keys
- 1.d4!
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 1...Be2+
- 2.Sxe2#
- 1...Qxc2
- 2.Sh5#
- 1...Qxd4
- 2.Bxd4#
- 1...Sxd5
- 2.Sxd5#
- 2.Sh5#
- 2.Re6#
- 1...Qb3
- 2.Sd3#
- 2.Sh5#
- 1...Bc1
- 2.Sh5#
- 1...Bd6
- 2.Sh5#
- 1...Bd3
- 2.Sxd3#
- 2.Sh5#
- 1...Se6
- 2.Sh5#
- 2.Sxe6#
- 2.Rxe6#
- 1...Sd6
- 2.Sh5#
- 2.Qe7#
- 1...Se7
- 2.Sh5#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 11
- Sets
- Q(c);N_GUARD::B(J),XQ(c)
- Q(c);CHECK,OGATE,P_SPINQ(c),XS(E)::R(C),XQ(c)
- R(h);N_GUARD::QAR1(K),XR(h)
- R(h);N_GUARD::QAR1(K)
- R(h);N_GUARD,P_PINB(I)::QAR1(K)
- S(f);N_GUARD::R1(A)
- S(f);N_GUARD,XP(G)::R1(A)
- S(f);N_GUARD::R1(A),XS(f)
- S(g);N_GUARD,S_CUTB(b)::QAB1(K)
- Tries
- Try
- S(H);N_SPINS(E)
- Threat
- DUALS(4)
- Vars
- Q(c);CHECK::R(C)+S(E)
- Q(c);XP(B)::R(C)+S(E),DCHECK
- Q(c);OGATE,P_PINS(E),XS(H)::B(J),XQ(c)
- B(b);::R(C)+S(E),DCHECK
- S(g);::R(C)+S(E),DCHECK
- Refutation
- R(a);XR(A)
- Try
- B(I);N_SPINS(E)
- Threat
- DUALS(7)
- Vars
- R(h);CHECK::R(C)+S(E)
- S(f);XP(G)::QAR1(K)
- S(g);::R(C)+S(E),DCHECK
- Refutation
- Q(c);P_PINS(E),XB(I)
- Try
- R(A);N_SPINS(E)
- Threat
- DUALS(5)
- Vars
- R(a);CHECK::R(C)+S(E)
- R(a);::R(C)+S(E),DCHECK
- B(b);::R(C)+S(E),DCHECK
- S(g);::R(C)+S(E),DCHECK
- Refutation
- Q(c);P_PINS(E),XR(A)
- Try
- P(B);N_SPINS(E)
- Threat
- DUALS(6)
- Vars
- Q(c);CHECK::R(C)+S(E)
- B(b);::R(C)+S(E),DCHECK
- Refutation
- Q(c);P_PINS(E),XP(B)
- Try
- Actual
- P(D);N_SPINS(E)
- Threat
- DUALS(6)
- Vars
- B(d);CHECK::R(C)+S(E),XB(d)
- Q(c);XP(B)::R(C)+S(E),DCHECK
- Q(c);OGATE,P_PINS(E),XP(D)::B(J),XQ(c)
- B(b);::R(C)+S(E),DCHECK
- S(g);::R(C)+S(E),DCHECK
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).