MESON Chess Problem Database
Problem Display
PID: 9880 (r3Q3/1q3pPK/4p2b/2P3P1/2PpkNBR/4P1p1/2P3pr/B3R1N1 w - - 0 1)
Mansfield, Comins
1st Comm., Israel Ring Ty., 1960
#2
14 + 10
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...d3
- 2.cxd3#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Qxe6#
- 1...d3
- Tries
- 1.Sd3?
- threat
- 2.Bh3#
- 2.exd4#
- 1...Rxh4
- 2.exd4#
- 1...Rxa1
- 2.Bh3#
- 1...dxe3
- 2.Bh3#
- 1...Qb1
- 2.Bh3#
- 2.Qc6#
- 1...Qb2
- 2.Bh3#
- 2.Qc6#
- 1...Qb4
- 2.Bh3#
- 2.Qc6#
- 1...Qc7
- 2.exd4#
- 1...Qb8
- 2.Qc6#
- 2.exd4#
- 1...Rh3
- 2.Bxh3#
- 2.exd4#
- 1...f5
- 2.Bf3#
- 2.Qxe6#
- 2.exd4#
- 1...Bxg5!
- threat
- 1.Sg6?
- threat
- 2.Bh3#
- 2.exd4#
- 1...Rxh4
- 2.exd4#
- 1...Rxa1
- 2.Bh3#
- 1...dxe3
- 2.Bh3#
- 1...fxg6
- 2.Qxe6#
- 1...Qb1
- 2.Bh3#
- 2.Qc6#
- 1...Qb2
- 2.Bh3#
- 2.Qc6#
- 1...Qb3
- 2.Bh3#
- 2.Qc6#
- 1...Qb4
- 2.Bh3#
- 2.Qc6#
- 1...Qc7
- 2.exd4#
- 1...Qb8
- 2.Qc6#
- 2.exd4#
- 1...Rh3
- 2.Bxh3#
- 2.exd4#
- 1...Ra3
- 2.Bh3#
- 1...d3
- 2.Bh3#
- 1...f5
- 2.Bf3#
- 2.Qxe6#
- 2.exd4#
- 1...Bxg5!
- threat
- 1.Bh3?
- threat
- 2.Sd3#
- 2.Sg6#
- 2.exd4#
- 1...Ke5
- 2.Sd3#
- 2.exd4#
- 1...Rxa1
- 2.Sd3#
- 2.Sg6#
- 1...Bxg5
- 2.exd4#
- 1...dxe3
- 2.Sfe2#
- 2.Sxg2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 1...Qb1
- 2.Sd3#
- 2.Sg6#
- 1...Qb2
- 2.Sd3#
- 2.Sg6#
- 1...Qb3
- 2.Sd3#
- 2.Sg6#
- 1...Qb4
- 2.Sd3#
- 2.Sg6#
- 1...Qc7
- 2.exd4#
- 1...Qb8
- 2.exd4#
- 1...Ra3
- 2.Sd3#
- 2.Sg6#
- 1...d3
- 2.Sxg2#
- 2.Sxd3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 2.cxd3#
- 1...f5
- 2.Qxe6#
- 2.exd4#
- 1...Rxh3!
- threat
- 1.Bxe6?
- threat
- 2.exd4#
- 1...Ke5
- 2.Sd3#
- 2.exd4#
- 1...Rxa1
- 2.Bd7#
- 1...dxe3
- 2.Sfh3#
- 1...fxe6
- 2.Qxe6#
- 1...Qb1
- 2.Bc8#
- 1...Qb2
- 2.Bc8#
- 1...Qb3
- 2.Bc8#
- 1...Qb4
- 2.Bc8#
- 1...Ra3
- 2.Bd7#
- 1...d3
- 2.Sfh3#
- 2.cxd3#
- 1...Rxh4!
- threat
- 1.Qc6+?
- 1...Ke5
- 2.Sf3#
- 2.Sd3#
- 2.Bxd4#
- 1...Qxc6!
- 1...Ke5
- 1.Sd3?
- Keys
- 1.Sxe6!
- threat
- 2.exd4#
- 1...Ke5
- 2.exd4#
- 1...Rxa1
- 2.Sc7#
- 1...Bxg5
- 2.Sxg5#
- 1...dxe3
- 2.Bh3#
- 1...fxe6
- 2.Qxe6#
- 1...Qb1
- 2.Sd8#
- 1...Qb3
- 2.Sd8#
- 1...Qb4
- 2.Sd8#
- 1...Ra3
- 2.Sc7#
- 1...d3
- 2.Bh3#
- threat
- 1.Sxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 2
- Sets
- P(d);OGATE::P(D),XP(d)
- P(i);N_GUARD,P_PINP(L)::QAR2(N),XP(f)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(b);XR(I)::R(B)+P(E),XP(d)
- R(j);XB(A)::R(I)+B(H)
- P(d);N_SPINP(f),P_SPINP(d),XP(E)::R(I)+B(H)
- Q(h);::R(B)+P(E),XP(d)
- Refutation
- B(g);P_PINR(I),XP(K)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(b);XR(I)::R(B)+P(E),XP(d)
- R(j);XB(A)::R(I)+B(H)
- P(d);N_SPINP(f),P_SPINP(d),XP(E)::R(I)+B(H)
- P(i);N_GUARD,P_PINP(L),XS(G)::QAR2(N),XP(f)
- Q(h);::R(B)+P(E),XP(d)
- R(j);::R(I)+B(H)
- P(d);::R(I)+B(H)
- Refutation
- B(g);P_PINR(I),XP(K)
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- B(g);XP(K)::R(B)+P(E),XP(d)
- Q(h);::R(B)+P(E),XP(d)
- Refutation
- R(b);XB(H)
- Try
- B(H);XP(f)
- Threat
- R(B)+P(E),XP(d)
- Vars
- R(j);N_GUARD,XB(A)::QAR(N)+B(H)
- P(d);P_SPINP(d),XP(E)::R(I)+S(G)
- P(i);OGATE,P_PINP(L),P_SPINP(i),XB(H)::QAR2(N),XP(i)
- Q(h);N_GUARD::QAR(N)+B(H)
- R(j);N_GUARD::QAR(N)+B(H)
- Refutation
- R(b);XR(I)
- Try
- Q(N);CHECK,N_PINP(f)
- Refutation
- Q(h);XQ(N)
- Try
- Actual
- S(G);XP(f)
- Threat
- R(B)+P(E),XP(d)
- Vars
- K(e);P-FLIGHT,P_SPINP(d)::R(B)+P(E)DCHECK,XP(d)
- R(j);N_GUARD,XB(A)::QAR(N)+S(G)
- B(g);P_PINR(I),XP(K)::QAR(N)+S(G),DCHECK,XB(g)
- P(d);P_SPINP(d),XP(E)::R(I)+B(H)
- P(i);OGATE,P_PINP(L),P_SPINP(i),XS(G)::QAR2(N),XP(i)
- Q(h);N_GUARD::QAR(N)+S(G)
- R(j);N_GUARD::QAR(N)+S(G)
- P(d);::R(I)+B(H)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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