MESON Chess Problem Database
Problem Display
PID: 17902 (r4R2/1B3N2/4pbp1/3r4/2p2B2/RNqb1kPQ/2n1pP2/4n1K1 w - - 0 1)
Mansfield, Comins
Stratford Express, 1951
#2
10 + 12
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sd2#
- 1...Qb2
- 2.Sd2#
- 1...Qd2
- 2.Sxd2#
- 1...Qd4
- 2.Sd2#
- 1...Qe5
- 2.Sd2#
- 1...Bf5
- 2.Sd2#
- 1...Bd4
- 2.Sg5#
- 1...Be5
- 2.Sg5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bh8
- 2.Sg5#
- 1...Qa1
- Tries
- 1.Bc1?
- threat
- 2.Sg5#
- 1...Ke4
- 2.Qg4#
- 1...Qd2
- 2.Sxd2#
- 1...Qe5
- 2.Sd2#
- 1...Be4
- 2.g4#
- 1...Bf5
- 2.Sd2#
- 1...Bg5
- 2.Sxg5#
- 1...g5
- 2.Sxg5#
- 1...Rxf8!
- threat
- 1.Be5?
- threat
- 2.Sg5#
- 1...Ke4
- 2.Qg4#
- 1...Qxe5
- 2.Sd2#
- 1...Qd2
- 2.Sxd2#
- 1...Bf5
- 2.Sd2#
- 1...Bg5
- 2.Sxg5#
- 1...g5
- 2.Sxg5#
- 1...Rxf8!
- threat
- 1.Bd6?
- threat
- 2.Sg5#
- 1...Ke4
- 2.Qg4#
- 1...Qd2
- 2.Sxd2#
- 1...Qe5
- 2.Sd2#
- 1...Be4
- 2.g4#
- 1...Bf5
- 2.Sd2#
- 1...Bg5
- 2.Sxg5#
- 1...g5
- 2.Sxg5#
- 1...Rxf8!
- threat
- 1.Bh6?
- threat
- 2.Sg5#
- 1...Ke4
- 2.Qg4#
- 1...Qd2
- 2.Sxd2#
- 1...Qe5
- 2.Sd2#
- 1...Be4
- 2.g4#
- 1...Bf5
- 2.Sd2#
- 1...Bg5
- 2.Sxg5#
- 1...g5
- 2.Sxg5#
- 1...Rxf8!
- threat
- 1.Bc7?
- threat
- 2.Sg5#
- 1...Ke4
- 2.Qg4#
- 1...Qd2
- 2.Sxd2#
- 1...Qe5
- 2.Sd2#
- 1...Be4
- 2.g4#
- 1...Bf5
- 2.Sd2#
- 1...Bg5
- 2.Sxg5#
- 1...g5
- 2.Sxg5#
- 1...Rxf8!
- threat
- 1.Bxd5+?
- 1...Be4
- 2.Sd2#
- 1...exd5!
- 1...Be4
- 1.Qg4+?
- 1...Ke4
- 2.Sd6#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Be5#
- 2.Bg5#
- 2.Bd6#
- 2.Bh6#
- 2.Bc7#
- 2.Bb8#
- 1...Kxg4!
- 1...Ke4
- 1.Qh1+?
- 1...Kg4
- 2.Sh6#
- 1...Sg2!
- 1...Kg4
- 1.Qh5+?
- 1...Ke4
- 2.Sd6#
- 1...gxh5!
- 1...Ke4
- 1.Bc1?
- Keys
- 1.Bb8!
- threat
- 2.Sg5#
- 1...Ke4
- 2.Qg4#
- 1...Qd2
- 2.Sxd2#
- 1...Qe5
- 2.Sd2#
- 1...Be4
- 2.g4#
- 1...Bf5
- 2.Sd2#
- 1...Bg5
- 2.Sxg5#
- 1...g5
- 2.Sxg5#
- threat
- 1.Bb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- Q(d);N_GUARD::S(D)
- Q(d);N_GUARD::S(D),XQ(d)
- Q(d);N_GUARD,P_PINP(B)::S(D)
- B(e);S_CUTQ(d)::S(D)
- B(j);N_GUARD,P_PINP(B)::S(I)
- B(j);N_GUARD::S(I)
- B(j);N_GUARD::S(I),XB(j)
- Tries
- Try
- B(G);
- Threat
- S(I)
- Vars
- K(f);S_FLIGHT::QAR2(F)
- Q(d);N_GUARD::S(D),XQ(d)
- Q(d);N_GUARD::S(D)
- B(e);N_SPINR(h),SBLOCK::QAR(F)+P(E)
- B(e);S_CUTQ(d)::S(D)
- B(j);::R(J)+S(I),DCHECK,XB(j)
- P(k);::S(I),XP(k)
- Refutation
- R(l);XR(J)
- Try
- B(G);
- Threat
- S(I)
- Vars
- K(f);S_FLIGHT::QAR2(F)
- Q(d);N_GUARD,XB(G)::S(D)
- Q(d);N_GUARD::S(D),XQ(d)
- B(e);S_CUTQ(d)::S(D)
- B(j);::R(J)+S(I),DCHECK,XB(j)
- P(k);::S(I),XP(k)
- Refutation
- R(l);XR(J)
- Try
- B(G);
- Threat
- S(I)
- Vars
- K(f);S_FLIGHT::QAR2(F)
- Q(d);N_GUARD::S(D),XQ(d)
- Q(d);N_GUARD::S(D)
- B(e);N_SPINR(h),SBLOCK::QAR(F)+P(E)
- B(e);S_CUTQ(d)::S(D)
- B(j);::R(J)+S(I),DCHECK,XB(j)
- P(k);::S(I),XP(k)
- Refutation
- R(l);XR(J)
- Try
- B(G);
- Threat
- S(I)
- Vars
- K(f);S_FLIGHT::QAR2(F)
- Q(d);N_GUARD::S(D),XQ(d)
- Q(d);N_GUARD::S(D)
- B(e);N_SPINR(h),SBLOCK::QAR(F)+P(E)
- B(e);S_CUTQ(d)::S(D)
- B(j);::R(J)+S(I),DCHECK,XB(j)
- P(k);::S(I),XP(k)
- Refutation
- R(l);XR(J)
- Try
- B(G);
- Threat
- S(I)
- Vars
- K(f);S_FLIGHT::QAR2(F)
- Q(d);N_GUARD::S(D),XQ(d)
- Q(d);N_GUARD::S(D)
- B(e);N_SPINR(h),SBLOCK::QAR(F)+P(E)
- B(e);S_CUTQ(d)::S(D)
- B(j);::R(J)+S(I),DCHECK,XB(j)
- P(k);::S(I),XP(k)
- Refutation
- R(l);XR(J)
- Try
- B(H);CHECK,XR(h)
- Vars
- B(e);P_SPINB(e)::S(D)
- Refutation
- P(i);XB(H)
- Try
- Q(F);CHECK
- Refutation
- K(f);N_SPINR(h),S_FLIGHT,XQ(F)
- Try
- Q(F);CHECK
- Vars
- K(f);N_SPINR(h),S_FLIGHT::S(I)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(F);CHECK
- Vars
- K(f);S_FLIGHT::S(I)
- Refutation
- P(k);XQ(F)
- Try
- Actual
- B(G);
- Threat
- S(I)
- Vars
- K(f);S_FLIGHT::QAR2(F)
- Q(d);N_GUARD::S(D),XQ(d)
- Q(d);N_GUARD::S(D)
- B(e);N_SPINR(h),SBLOCK::QAR(F)+P(E)
- B(e);S_CUTQ(d)::S(D)
- B(j);::R(J)+S(I),DCHECK,XB(j)
- P(k);::S(I),XP(k)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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