MESON Chess Problem Database
Problem Display
PID: 4800 (4nNN1/2pRp2B/2K5/B3k1p1/5p2/1p2n1P1/7Q/b7 w - - 0 1)
Blake, Percy Francis
British Chess Magazine, 1891
#2
8 + 9
| 574 | Manchester Weekly Times | 1891 |
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Bxc3#
- 1...Bd4
- 2.Rxe7#
- 1...Sd1
- 2.Rd5#
- 1...Sf1
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sc4
- 2.Rd5#
- 1...Sg4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sf6
- 2.Bxc7#
- 1...Sg7
- 2.Bxc7#
- 1...b2
- 2.Bc3#
- 1...fxg3
- 2.Qxg3#
- 1...f3
- 2.g4#
- 1...g4
- 2.gxf4#
- 1...Bb2
- Tries
- 1.Bb1?
- 1...fxg3
- 2.Qxg3#
- 1...Sd5
- 2.Rxd5#
- 1...Sd6
- 2.Qh8#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Bxc3#
- 1...Bd4
- 2.Rxe7#
- 1...Sd1
- 2.Rd5#
- 1...Sf1
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sc4
- 2.Rd5#
- 1...Sg4
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 1...Sf6
- 2.Bxc7#
- 1...Sg7
- 2.Bxc7#
- 1...b2
- 2.Bc3#
- 1...f3
- 2.g4#
- 1...g4
- 2.gxf4#
- 1...e6
- 2.Sg6#
- 1...Sc2!
- 1...fxg3
- 1.Qd2?
- threat
- 2.Rxe7#
- 1...fxg3
- 2.Qxe3#
- 1...Sf5
- 2.Qd5#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sg7
- 2.Bxc7#
- 1...e6!
- threat
- 1.Qh6?
- threat
- 2.Qe6#
- 1...Sd5
- 2.Rxd5#
- 1...Sd6
- 2.Qg7#
- 1...e6
- 2.Qxe6#
- 1...Sf6
- 2.Bxc7#
- 1...Sg7
- 2.Bxc7#
- 2.Qxg7#
- 1...fxg3!
- threat
- 1.Bb1?
- Keys
- 1.Bd3!
- 1...fxg3
- 2.Qxg3#
- 1...Sd5
- 2.Rxd5#
- 1...Sd6
- 2.Qh8#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Bxc3#
- 1...Bd4
- 2.Rxe7#
- 1...Sd1
- 2.Rd5#
- 1...Sf1
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sc4
- 2.Rd5#
- 1...Sg4
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 1...Sf6
- 2.Bxc7#
- 1...Sg7
- 2.Bxc7#
- 1...b2
- 2.Bc3#
- 1...f3
- 2.g4#
- 1...g4
- 2.gxf4#
- 1...e6
- 2.Sg6#
- 1...fxg3
- 1.Bd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);N_GUARD::B(C),XB(a)
- B(a);SBLOCK::R(E),XP(h)
- S(c);N_GUARD::R1(E)
- S(c);N_GUARD::R1(E),XS(c)
- S(i);N_GUARD::B(C),XP(g)
- P(b);S_CUTB(a)::B(C)
- P(d);OGATE,P_SPINP(d),XP(B)::QAB(A),XP(d)
- P(d);::QAB(A)+P(B)
- P(f);N_GUARD::P(B),XP(d)
- Tries
- Try
- B(F);
- Vars
- P(d);OGATE,P_SPINP(d),XP(B)::QAB(A),XP(d)
- S(c);N_GUARD::R1(E),XS(c)
- S(i);N_GUARD::QAB(A)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);N_GUARD::B(C),XB(a)
- B(a);SBLOCK::R(E),XP(h)
- S(c);N_GUARD::R1(E)
- S(i);N_GUARD::B(C),XP(g)
- P(b);S_CUTB(a)::B(C)
- P(d);::QAB(A)+P(B)
- P(f);N_GUARD::P(B),XP(d)
- P(h);SBLOCK::S(G)
- Refutation
- S(c);
- Try
- Q(A);
- Threat
- R(E),XP(h)
- Vars
- P(d);N_GUARD,XP(B)::QAR2(A),XS(c)
- S(c);N_GUARD::QAR1(A)
- S(i);N_GUARD::B(C),XP(g)
- Refutation
- P(h);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- S(c);N_GUARD::R1(E),XS(c)
- S(i);N_GUARD::QAB(A)
- P(h);::QAR1(A),XP(h)
- S(i);N_GUARD::B(C),XP(g)
- Refutation
- P(d);XP(B)
- Try
- Actual
- B(F);
- Vars
- P(d);OGATE,P_SPINP(d),XP(B)::QAB(A),XP(d)
- S(c);N_GUARD::R1(E),XS(c)
- S(i);N_GUARD::QAB(A)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);N_GUARD::B(C),XB(a)
- B(a);SBLOCK::R(E),XP(h)
- S(c);N_GUARD::R1(E)
- S(i);N_GUARD::B(C),XP(g)
- P(b);S_CUTB(a)::B(C)
- P(d);::QAB(A)+P(B)
- P(f);N_GUARD::P(B),XP(d)
- P(h);SBLOCK::S(G)
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