MESON Chess Problem Database
Problem Display
PID: 145094 (2n1b2q/1B1Q1p2/3P1p1B/p4N1p/p3R3/1PPk1p2/r2P1b2/rNR2K2 w - - 0 1)
O'Shea, Patrick
The Problemist, 1990
#2
12 + 13
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Re3#
- 2.Rd4#
- 1...Be3
- 2.Rxe3#
- 1...Bg3
- 2.Re3#
- 2.Rd4#
- 1...Bd4
- 2.Rxd4#
- 1...Bh4
- 2.Re3#
- 2.Rd4#
- 1...Be1
- Tries
- 1.Kxf2?
- threat
- 2.Re3#
- 2.Rd4#
- 1...Qxh6
- 2.Rd4#
- 1...Rxb1
- 2.Rd4#
- 1...axb3
- 2.Rd4#
- 1...Rxd2+!
- threat
- 1.Se3?
- threat
- 2.Rd4#
- 1...Bxe3
- 2.Rxe3#
- 1...f5!
- threat
- 1.Ree1?
- threat
- 2.Be4#
- 2.Ba6#
- 1...Bxd7
- 2.Be4#
- 1...axb3
- 2.Ba6#
- 1...Be3
- 2.Rxe3#
- 1...Sb6
- 2.Be4#
- 1...Sa7
- 2.Be4#
- 1...Bxe1!
- threat
- 1.Re2?
- threat
- 2.Be4#
- 2.Ba6#
- 1...Bxd7
- 2.Be4#
- 1...axb3
- 2.Ba6#
- 1...Be3
- 2.Rxe3#
- 1...Sb6
- 2.Be4#
- 1...Sa7
- 2.Be4#
- 1...fxe2+!
- threat
- 1.Rxa4?
- threat
- 2.Be4#
- 2.Ba6#
- 1...Bxd7
- 2.Be4#
- 1...Bd4
- 2.Rxd4#
- 1...Sb6
- 2.Be4#
- 1...Sa7
- 2.Be4#
- 1...Rxa4!
- threat
- 1.Rb4?
- threat
- 2.Be4#
- 2.Ba6#
- 1...Bxd7
- 2.Be4#
- 1...Bd4
- 2.Rxd4#
- 1...Sb6
- 2.Be4#
- 1...Sa7
- 2.Be4#
- 1...axb4!
- threat
- 1.Rc4?
- threat
- 2.Be4#
- 1...Bd4
- 2.Rxd4#
- 1...axb3!
- threat
- 1.Rf4?
- threat
- 2.Be4#
- 2.Ba6#
- 1...Bxd7
- 2.Be4#
- 1...axb3
- 2.Ba6#
- 1...Sb6
- 2.Be4#
- 1...Sa7
- 2.Be4#
- 1...Rxb1!
- threat
- 1.Rg4?
- threat
- 2.Be4#
- 2.Ba6#
- 1...Bxd7
- 2.Be4#
- 1...axb3
- 2.Ba6#
- 1...Sb6
- 2.Be4#
- 1...Sa7
- 2.Be4#
- 1...hxg4!
- threat
- 1.Rh4?
- threat
- 2.Be4#
- 2.Ba6#
- 1...Bxd7
- 2.Be4#
- 1...axb3
- 2.Ba6#
- 1...Sb6
- 2.Be4#
- 1...Sa7
- 2.Be4#
- 1...Bxh4!
- threat
- 1.Re5?
- threat
- 2.Be4#
- 2.Ba6#
- 1...Bxd7
- 2.Be4#
- 1...axb3
- 2.Ba6#
- 1...Sb6
- 2.Be4#
- 1...Sa7
- 2.Be4#
- 1...fxe5!
- threat
- 1.Re6?
- threat
- 2.Be4#
- 2.Ba6#
- 1...Bxd7
- 2.Be4#
- 1...axb3
- 2.Ba6#
- 1...Sb6
- 2.Be4#
- 1...Sa7
- 2.Be4#
- 1...fxe6!
- threat
- 1.Re7?
- threat
- 2.Be4#
- 2.Ba6#
- 1...Bxd7
- 2.Be4#
- 1...axb3
- 2.Ba6#
- 1...Sb6
- 2.Be4#
- 1...Sa7
- 2.Be4#
- 1...Sxe7!
- threat
- 1.Rxe8?
- threat
- 2.Be4#
- 2.Ba6#
- 2.Qb5#
- 1...Sxd6
- 2.Be4#
- 2.Ba6#
- 1...axb3
- 2.Ba6#
- 2.Qb5#
- 1...Sb6
- 2.Be4#
- 1...Sa7
- 2.Be4#
- 1...Se7
- 2.Qb5#
- 1...Qxe8!
- threat
- 1.Kxf2?
- Keys
- 1.Be3!
- threat
- 2.Rd4#
- 1...Bxe3
- 2.Rxe3#
- threat
- 1.Be3!
This is after
After N. A. Macleod.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- B(c);N_GUARD::R1(G),XB(c)
- Tries
- Try
- K(C);P-FLIGHT,P_SPINP(D),XB(c)
- Threat
- DUALS(2)
- Vars
- Q(m);XB(J)::R1(G)
- R(a);XS(A)::R1(G)
- P(f);XP(E)::R1(G)
- Refutation
- R(b);CHECK,XP(D)
- Try
- S(H);
- Threat
- R1(G)
- Vars
- B(c);OGATE,XS(H)::R1(G),XB(c)
- Refutation
- P(i);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(l);XQ(L)::B(K)
- P(f);XP(E)::B(K)
- B(c);N_GUARD::R1(G),XB(c)
- S(k);::B(K)
- Refutation
- B(c);XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(l);XQ(L)::B(K)
- P(f);XP(E)::B(K)
- B(c);N_GUARD::R1(G),XB(c)
- S(k);::B(K)
- Refutation
- P(e);CHECK,XR(G)
- Try
- R(G);XP(f)
- Threat
- DUALS(2)
- Vars
- B(l);XQ(L)::B(K)
- B(c);N_GUARD::R1(G),XB(c)
- S(k);::B(K)
- Refutation
- R(b);XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(l);XQ(L)::B(K)
- B(c);N_GUARD::R1(G),XB(c)
- S(k);::B(K)
- Refutation
- P(g);XR(G)
- Try
- R(G);
- Threat
- B(K)
- Vars
- B(c);N_GUARD::R1(G),XB(c)
- Refutation
- P(f);XP(E)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(l);XQ(L)::B(K)
- P(f);XP(E)::B(K)
- S(k);::B(K)
- Refutation
- R(a);P_PINR(B),XS(A)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(l);XQ(L)::B(K)
- P(f);XP(E)::B(K)
- S(k);::B(K)
- Refutation
- P(h);XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(l);XQ(L)::B(K)
- P(f);XP(E)::B(K)
- S(k);::B(K)
- Refutation
- B(c);XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(l);XQ(L)::B(K)
- P(f);XP(E)::B(K)
- S(k);::B(K)
- Refutation
- P(i);XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(l);XQ(L)::B(K)
- P(f);XP(E)::B(K)
- S(k);::B(K)
- Refutation
- P(j);XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(l);XQ(L)::B(K)
- P(f);XP(E)::B(K)
- S(k);::B(K)
- Refutation
- S(k);XR(G)
- Try
- R(G);XB(l)
- Threat
- DUALS(3)
- Vars
- S(k);::B(K)
- S(k);::QAB(L)
- Refutation
- Q(m);XR(G)
- Try
- Actual
- B(J);
- Threat
- R1(G)
- Vars
- B(c);OGATE,XB(J)::R1(G),XB(c)
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