MESON Chess Problem Database
Problem Display
PID: 196590 (8/p1N1pp2/KbQBp3/1Pp2p2/2pk2p1/6R1/4PN2/5B2 w - - 0 1)
Goulty, Allison Howard
The Observer, 1943
(First published on Sun Nov 7 1943)
#2
9 + 10
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Qxc5#
- 1...Bxc7
- 2.Qxc5#
- 1...c3
- 2.e3#
- 1...f4
- 2.Qe4#
- 1...e5
- 2.Qd5#
- 1...exd6
- 2.Qxd6#
- 1...f6
- 2.Sxe6#
- 1...Ba5
- Tries
- 1.Bg2?
- 1...Bxc7
- 2.Qxc5#
- 1...exd6
- 2.Qxd6#
- 1...e5
- 2.Qd5#
- 1...Ba5
- 2.Qxc5#
- 1...f4
- 2.Qe4#
- 1...f6
- 2.Sxe6#
- 1...c3!
- 1...Bxc7
- 1.Bf4?
- threat
- 2.Qd7#
- 1...c3
- 2.e3#
- 1...Bxc7!
- threat
- 1.Bxe7?
- threat
- 2.Qd6#
- 1...Ke5
- 2.Qd6#
- 1...Bxc7
- 2.Qxc5#
- 1...c3!
- threat
- 1.Ra3?
- threat
- 2.e3#
- 1...exd6
- 2.Qxd6#
- 1...f4
- 2.Qe4#
- 1...c3!
- threat
- 1.Qxb6?
- threat
- 2.Qxc5#
- 1...exd6
- 2.Qxd6#
- 1...axb6!
- threat
- 1.Bg2?
- Keys
- 1.Qd7!
- threat
- 2.Bf4#
- 1...Bxc7
- 2.Bxc7#
- 1...exd6
- 2.Qxd6#
- 1...c3
- 2.e3#
- 1...e5
- 2.Bxe7#
- 1...f4
- 2.Bxf4#
- threat
- 1.Qd7!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- B(f);N_GUARD::QAB1(G),XP(d)
- B(f);N_GUARD,XS(I)::QAB1(G),XP(d)
- P(a);SBLOCK::P(B)
- P(e);N_GUARD::QAR1(G)
- P(g);N_GUARD::QAR1(G)
- P(i);OGATE,XB(H)::QAR2(G),XP(i)
- P(j);N_GUARD::S(I),XP(g)
- Tries
- Try
- B(A);
- Vars
- B(f);N_GUARD,XS(I)::QAB1(G),XP(d)
- P(i);OGATE,XB(H)::QAR2(G),XP(i)
- P(g);N_GUARD::QAR1(G)
- B(f);N_GUARD::QAB1(G),XP(d)
- P(e);N_GUARD::QAR1(G)
- P(j);N_GUARD::S(I),XP(g)
- Refutation
- P(a);
- Try
- B(H);
- Threat
- QAR(G)
- Vars
- P(a);SBLOCK::P(B)
- Refutation
- B(f);XS(I)
- Try
- B(H);XP(i)
- Threat
- QAR2(G)
- Vars
- K(b);S_FLIGHT::QAB1(G)
- B(f);N_GUARD,XS(I)::QAB1(G),XP(d)
- Refutation
- P(a);
- Try
- R(D);
- Threat
- P(B)
- Vars
- P(i);OGATE,XB(H)::QAR2(G),XP(i)
- P(e);N_GUARD::QAR1(G)
- Refutation
- P(a);
- Try
- Q(G);P_PINP(d),XB(f)
- Threat
- QAB1(G),XP(d)
- Vars
- P(i);OGATE,XB(H)::QAR2(G),XP(i)
- Refutation
- P(h);N_SPINP(d),XQ(G)
- Try
- Actual
- Q(G);
- Threat
- QAR(G)+B(H)
- Vars
- B(f);OGATE,XS(I)::QAR(G)+B(H),XB(f)
- P(i);OGATE,P_SPINP(i),XB(H)::QAR2(G),XP(i)
- P(a);SBLOCK::P(B)
- P(g);SBLOCK::QAR(G)+B(H),XP(i)
- P(e);::QAR(G)+B(H),XP(e)
Developed and maintained by Brian Stephenson.
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