MESON Chess Problem Database
Problem Display
PID: 30550 (4N3/3R1Kb1/1rp4p/4pp2/Rn2kpp1/7N/2n1P3/1Brb1QB1 w - - 0 1)
Shire, David J
The Problemist, 1992
#2
9 + 13
| 3256 | David Shire Selected Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Rxb4#
- 1...Bxe2
- 2.Qxe2#
- 1...Bf6
- 2.Sxf6#
- 1...Bf8
- 2.Sf6#
- 1...gxh3
- 2.Qf3#
- 1...g3
- 2.Qf3#
- 1...h5
- 2.Sg5#
- 1...Ra6
- Tries
- 1.Ke6?
- threat
- 2.Sd6#
- 1...Bxe2
- 2.Qxe2#
- 1...Bf8
- 2.Sf6#
- 1...c5+!
- threat
- 1.Ba2?
- threat
- 2.Sd6#
- 1...c5
- 2.Bd5#
- 1...Bf8
- 2.Sf6#
- 1...Se3
- 2.Sf2#
- 1...Bxe2!
- threat
- 1.Bd4?
- threat
- 2.Sf2#
- 1...Bxe2
- 2.Qxe2#
- 1...gxh3
- 2.Qf3#
- 1...exd4
- 2.Qxf4#
- 1...Sd3
- 2.exd3#
- 1...g3
- 2.Qf3#
- 1...f3!
- threat
- 1.Bc5?
- threat
- 2.Sf2#
- 1...Bxe2
- 2.Qxe2#
- 1...gxh3
- 2.Qf3#
- 1...g3
- 2.Qf3#
- 1...f3!
- threat
- 1.Bxb6?
- threat
- 2.Sf2#
- 2.Rxb4#
- 1...Rxb1
- 2.Sf2#
- 1...Bxe2
- 2.Qxe2#
- 1...gxh3
- 2.Rxb4#
- 2.Qf3#
- 1...Bf8
- 2.Sf2#
- 2.Sf6#
- 1...f3
- 2.Rxb4#
- 1...g3
- 2.Rxb4#
- 2.Qf3#
- 1...c5!
- threat
- 1.Rd3?
- threat
- 2.Sf2#
- 2.Sd6#
- 1...Bxe2
- 2.Sf2#
- 1...gxh3
- 2.Sd6#
- 2.Qf3#
- 1...Sd4
- 2.Rxd4#
- 1...c5
- 2.Sf2#
- 1...Bf8
- 2.Sf2#
- 2.Sf6#
- 1...f3
- 2.Sd6#
- 1...g3
- 2.Sd6#
- 2.Qf3#
- 1...Rb7+!
- threat
- 1.Qxd1?
- threat
- 2.Sd6#
- 2.Qd3#
- 1...c5
- 2.Qd3#
- 2.Qd5#
- 1...Bf8
- 2.Sf6#
- 2.Qd3#
- 1...Rxd1!
- threat
- 1.Ke6?
- Keys
- 1.Ra3!
- threat
- 2.Sf2#
- 1...gxh3
- 2.Qf3#
- 1...Sd3
- 2.exd3#
- 1...Sd5
- 2.Sd6#
- 1...f3
- 2.Re3#
- 1...g3
- 2.Qf3#
- threat
- 1.Ra3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(j);N_GUARD::R(F),XS(d)
- B(b);OGATE,XP(D)::QAR2(B),XB(b)
- B(m);N_GUARD::S(I),XB(m)
- B(m);N_GUARD::S(I)
- P(g);N_GUARD,XS(E)::QAB1(B)
- P(g);N_GUARD::QAB1(B)
- P(l);N_GUARD::S(E)
- Tries
- Try
- K(H);S_FLIGHT
- Threat
- S(I)
- Vars
- B(b);OGATE,XP(D)::QAR2(B),XB(b)
- B(m);N_GUARD::S(I)
- Refutation
- P(k);CHECK
- Try
- B(A);N_PINS(c),P_PINS(d)
- Threat
- S(I)
- Vars
- P(k);N_GUARD::B(A)
- B(m);N_GUARD::S(I)
- S(c);SBLOCK::S(E)
- Refutation
- B(b);XP(D)
- Try
- B(C);
- Threat
- S(E)
- Vars
- B(b);OGATE,XP(D)::QAR2(B),XB(b)
- P(g);N_GUARD,XS(E)::QAB1(B)
- P(h);N_GUARD,XB(C)::QAR1(B),XP(f)
- S(d);N_SPINS(c),OGATE::P(D),XS(d)
- P(g);N_GUARD::QAB1(B)
- Refutation
- P(f);
- Try
- B(C);
- Threat
- S(E)
- Vars
- B(b);OGATE,XP(D)::QAR2(B),XB(b)
- P(g);N_GUARD,XS(E)::QAB1(B)
- P(g);N_GUARD::QAB1(B)
- Refutation
- P(f);
- Try
- B(C);XR(j)
- Threat
- DUALS(2)
- Vars
- R(a);N_SPINS(c),P_SPINS(d),XB(A)::S(E)
- B(b);OGATE,XP(D)::QAR2(B),XB(b)
- P(f);::R(F),XS(d)
- Refutation
- P(k);
- Try
- R(G);N_PINS(c),P_PINS(d)
- Threat
- DUALS(2)
- Vars
- B(b);XP(D)::S(E)
- S(c);N_SPINS(d)::B(A)+R(G),DCHECK,XS(c)
- P(k);::S(E)
- P(f);::S(I)
- Refutation
- R(j);CHECK
- Try
- Q(B);XB(b)
- Threat
- DUALS(2)
- Refutation
- R(a);XQ(B)
- Try
- Actual
- R(F);
- Threat
- S(E)
- Vars
- P(g);N_GUARD,XS(E)::QAB1(B)
- S(d);N_SPINS(c),OGATE::P(D),XS(d)
- S(d);SBLOCK::S(I)
- P(f);N_GUARD::R1(F)
- P(g);N_GUARD::QAB1(B)
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