MESON Chess Problem Database
Problem Display
PID: 153654 (1R1NR3/2p5/1P1p4/1pkp4/5Q2/bP2Pn2/5N2/2nK4 w - - 0 1)
Laws, Benjamin Glover
Cheltenham Examiner, 1890
(First published on Wed Feb 19 1890)
#2
9 + 8
| 15239 | Valois Notebooks | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.b4#
- 1...Sa2
- 2.Sd3#
- 1...Se2
- 2.Sd3#
- 1...Sxb3
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Se5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...cxb6
- 2.Rc8#
- 1...c6
- 2.Se6#
- 1...Bb2
- Tries
- 1.bxc7?
- threat
- 2.c8Q#
- 2.c8R#
- 1...Sxb3
- 2.Sd3#
- 2.c8Q#
- 2.c8R#
- 1...Sd4
- 2.Qxd4#
- 1...Bb2
- 2.b4#
- 2.c8Q#
- 2.c8R#
- 1...Bb4
- 2.c8Q#
- 2.c8R#
- 1...Sa2
- 2.Sd3#
- 2.c8Q#
- 2.c8R#
- 1...Se2
- 2.Sd3#
- 2.c8Q#
- 2.c8R#
- 1...Sd3
- 2.Sxd3#
- 2.c8Q#
- 2.c8R#
- 1...Se1
- 2.Qd4#
- 2.c8Q#
- 2.c8R#
- 1...Sg1
- 2.Qd4#
- 2.c8Q#
- 2.c8R#
- 1...Sd2
- 2.Qd4#
- 2.c8Q#
- 2.c8R#
- 1...Sh2
- 2.Qd4#
- 2.c8Q#
- 2.c8R#
- 1...Sh4
- 2.Qd4#
- 2.c8Q#
- 2.c8R#
- 1...Se5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 2.c8Q#
- 2.c8R#
- 1...b4
- 2.c8Q#
- 2.c8R#
- 1...d4!
- threat
- 1.bxc7?
- Keys
- 1.Re5!
- 1...Sxb3
- 2.Sd3#
- 1...Sxe5
- 2.Qd4#
- 1...dxe5
- 2.Qf8#
- 1...cxb6
- 2.Rc8#
- 1...Sd4
- 2.Qxd4#
- 1...b4
- 2.Qc4#
- 1...Bb2
- 2.b4#
- 1...Bb4
- 2.Se4#
- 1...Sa2
- 2.Sd3#
- 1...Se2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...c6
- 2.Se6#
- 1...Sxb3
- 1.Re5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::P(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD,XP(C)::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::QAB1(E)
- S(c);N_GUARD::QAB1(E),XS(c)
- P(h);OGATEB,SBLOCK,XP(F)::R(G)
- P(h);SBLOCK::S(H)
- Tries
- Try
- P(F);XP(h)
- Threat
- P=Q
- Vars
- S(c);N_GUARD::QAB1(E),XS(c)
- B(b);::P=Q
- S(c);N_GUARD::QAB1(E)
- P(d);::P=Q
- Refutation
- P(f);
- Try
- Actual
- R(I);P_PINP(f)
- Vars
- S(a);N_GUARD,XP(C)::S(B)
- S(c);N_GUARD,N_SPINP(f),XR(I)::QAB1(E)
- P(g);N_SPINP(f),OGATEB,XR(I)::QAB(E)
- P(h);OGATEB,SBLOCK,XP(F)::R(G)
- S(c);N_GUARD::QAB1(E),XS(c)
- P(d);N_GUARD::QAR1(E)
- B(b);N_GUARD::P(C)
- B(b);SBLOCK::S(B)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::QAB1(E)
- P(h);SBLOCK::S(H)
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