MESON Chess Problem Database
Problem Display
PID: 87701 (3Q2R1/p1K1p1P1/1B1pp2N/3Nk2p/8/2P1PPP1/b1Bn4/2bR4 w - - 0 1)
O'Shea, Patrick
The Problemist, 1991
#2
13 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxd5
- 2.Bd4#
- 1...Sb1
- 2.Sf7#
- 2.f4#
- 1...Sf1
- 2.Sf7#
- 2.f4#
- 1...Sb3
- 2.Sf7#
- 2.f4#
- 1...Sxf3
- 2.Sf7#
- 1...Sc4
- 2.Sf7#
- 2.f4#
- 1...Se4
- 2.f4#
- 1...exd5
- 2.Qxe7#
- 1...Bxd5
- Tries
- 1.Kc6?
- threat
- 2.Sf7#
- 2.Bd4#
- 2.f4#
- 1...Sxf3
- 2.Sf7#
- 1...exd5
- 2.Qxe7#
- 1...axb6
- 2.Sf7#
- 2.f4#
- 1...Sb3
- 2.Sf7#
- 2.f4#
- 1...Se4
- 2.Bd4#
- 2.f4#
- 1...Bxd5+!
- threat
- 1.Sxe7?
- threat
- 2.Bd4#
- 1...Kf6
- 2.Sc6#
- 2.Sg6#
- 1...Sxf3
- 2.Sc6#
- 2.Sg6#
- 1...Sb3
- 2.Sc6#
- 2.Sg6#
- 1...axb6!
- threat
- 1.Be4?
- threat
- 2.Sf7#
- 2.Bd4#
- 1...Bxd5
- 2.Bd4#
- 1...Sxe4
- 2.f4#
- 1...exd5
- 2.Qxe7#
- 1...axb6
- 2.Sf7#
- 1...Sb3
- 2.Sf7#
- 1...Sxf3!
- threat
- 1.Rxd2?
- threat
- 2.Sf7#
- 2.f4#
- 1...Bxd5
- 2.Bd4#
- 1...exd5
- 2.Qxe7#
- 1...Bxd2!
- threat
- 1.Qxe7?
- threat
- 2.Qg5#
- 2.Qxd6#
- 1...Bxd5
- 2.Sf7#
- 2.Bd4#
- 2.Qg5#
- 2.f4#
- 1...Sxf3
- 2.Sf7#
- 2.Qxd6#
- 2.Qf6#
- 1...Ba3
- 2.Qg5#
- 1...Sc4
- 2.Sf7#
- 2.Qg5#
- 2.Qf6#
- 2.f4#
- 1...Se4
- 2.f4#
- 1...Kxd5!
- threat
- 1.Qa8?
- threat
- 2.Sf7#
- 2.Bd4#
- 2.f4#
- 1...Bxd5
- 2.Bd4#
- 1...Sxf3
- 2.Sf7#
- 1...axb6
- 2.Sf7#
- 2.f4#
- 1...Sb3
- 2.Sf7#
- 2.f4#
- 1...Se4
- 2.Bd4#
- 2.f4#
- 1...exd5!
- threat
- 1.c4?
- threat
- 2.Sf7#
- 2.Bd4#
- 2.f4#
- 1...Sxf3
- 2.Sf7#
- 1...Sxc4
- 2.Sf7#
- 2.f4#
- 1...exd5
- 2.Qxe7#
- 1...axb6
- 2.Sf7#
- 2.f4#
- 1...Bb2
- 2.Sf7#
- 2.f4#
- 1...Sb3
- 2.Sf7#
- 2.f4#
- 1...Se4
- 2.Bd4#
- 2.f4#
- 1...Bxc4!
- threat
- 1.e4?
- threat
- 2.Sf7#
- 2.Bd4#
- 2.f4#
- 1...Bxd5
- 2.Bd4#
- 1...Sxf3
- 2.Sf7#
- 1...exd5
- 2.Qxe7#
- 1...axb6
- 2.Sf7#
- 2.f4#
- 1...Sb1
- 2.Sf7#
- 2.Bd4#
- 1...Sf1
- 2.Sf7#
- 2.Bd4#
- 1...Sb3
- 2.Sf7#
- 1...Sc4
- 2.Sf7#
- 2.Bd4#
- 1...Sxe4!
- threat
- 1.Kc6?
- Keys
- 1.Qe8!
- threat
- 2.Qxh5#
- 1...Kxd5
- 2.Qb5#
- 1...Bxd5
- 2.Bd4#
- 1...Sxf3
- 2.Sf7#
- 1...exd5
- 2.Qxe7#
- 1...Se4
- 2.f4#
- 1...h4
- 2.Qh5#
- threat
- 1.Qe8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);SBLOCK,XS(G)::B(H)
- S(c);XP(E)::S(I)
- S(c);::P(E)
- P(g);OGATEB,SBLOCK,XS(G)::QAR2(L),XP(i)
- Tries
- Try
- K(J);P-FLIGHT
- Threat
- DUALS(3)
- Vars
- S(c);XP(E)::S(I)
- P(g);OGATEB,XS(G)::QAR2(L),XP(i)
- Refutation
- B(b);CHECK,XS(G)
- Try
- S(G);XP(i)
- Threat
- B(H)
- Refutation
- P(h);XB(H)
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- B(b);XS(G)::B(H)
- S(c);SBLOCK,XB(B)::P(E)
- P(g);OGATEB,XS(G)::QAR2(L),XP(i)
- P(h);XB(H)::S(I)
- S(c);::S(I)
- Refutation
- S(c);XP(E)
- Try
- R(A);XS(c)
- Threat
- DUALS(2)
- Vars
- B(b);SBLOCK,XS(G)::B(H)
- P(g);OGATEB,XS(G)::QAR2(L),XP(i)
- Refutation
- B(a);XR(A)
- Try
- Q(L);P_PINP(g),XP(i)
- Threat
- DUALS(2)
- Vars
- B(a);::QAR2(L)
- S(c);::P(E)
- Refutation
- K(d);N_SPINP(g),P-FLIGHT,P_SPINS(c),XS(G)
- Try
- Q(L);
- Threat
- DUALS(3)
- Vars
- B(b);XS(G)::B(H)
- S(c);XP(E)::S(I)
- Refutation
- P(g);XS(G)
- Try
- P(C);
- Threat
- DUALS(3)
- Vars
- S(c);XP(E)::S(I)
- P(g);OGATEB,XS(G)::QAR2(L),XP(i)
- Refutation
- B(b);XP(C)
- Try
- P(D);
- Threat
- DUALS(3)
- Vars
- B(b);XS(G)::B(H)
- S(c);XP(E)::S(I)
- P(g);OGATEB,XS(G)::QAR2(L),XP(i)
- S(c);::S(I)
- Refutation
- S(c);XP(D)
- Try
- Actual
- Q(L);
- Threat
- QAR(L),XP(e)
- Vars
- K(d);OGATEB,P-FLIGHT,P_SPINS(c),XS(G)::QAR2(L)
- B(b);SBLOCK,XS(G)::B(H)
- S(c);XP(E)::S(I)
- P(g);OGATEB,P_SPINP(i),SBLOCK,XS(G)::QAR2(L),XP(i)
- S(c);::P(E)
- P(e);::QAR(L)
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