MESON Chess Problem Database
Problem Display
PID: 64555 (2nn3r/4ppQ1/K3kNBp/2PR4/2P5/2B1q3/4R3/1b2r3 w - - 0 1)
Goldschmeding, Cornelis
3rd Prize, Varna TT, 1982
#2
9 + 10
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Bf5#
- 1...Qe5
- 2.Rdxe5#
- 1...Ba2
- 2.Bf5#
- 1...Be4
- 2.Re5#
- 1...Bf5
- 2.Bxf5#
- 1...Sc6
- 2.Bxf7#
- 2.Qxf7#
- 1...Sb7
- 2.Bxf7#
- 2.Qxf7#
- 1...exf6
- 2.Qxf6#
- 1...Qe4
- Tries
- 1.Se4?
- threat
- 2.Bf5#
- 2.Qe5#
- 1...Qxc3
- 2.Sg5#
- 2.Bf5#
- 1...Qxe4
- 2.Bf5#
- 1...Bxe4
- 2.Qe5#
- 1...fxg6
- 2.Qxg6#
- 1...Qf2
- 2.Sg5#
- 2.Qe5#
- 1...Qd4
- 2.Sg5#
- 2.Bf5#
- 1...Qf4
- 2.Sg5#
- 1...Qg5
- 2.Sxg5#
- 1...Qf3
- 2.Sg5#
- 2.Qe5#
- 1...Qg3
- 2.Sg5#
- 2.Bf5#
- 1...Qh3
- 2.Sg5#
- 2.Qe5#
- 1...Rf1
- 2.Qe5#
- 1...Sc6
- 2.Bf5#
- 2.Bxf7#
- 2.Qxf7#
- 1...f5
- 2.Bxf5#
- 2.Qe5#
- 1...f6
- 2.Bf5#
- 1...Sd6!
- threat
- 1.Bxb1?
- threat
- 2.Bf5#
- 2.Qg4#
- 1...Qxe2
- 2.Bf5#
- 1...Rxb1
- 2.Rxe3#
- 2.Qg4#
- 1...exf6
- 2.Qxf6#
- 1...Qe4
- 2.Qg4#
- 1...Qe5
- 2.Rdxe5#
- 1...Rf1
- 2.Rxe3#
- 1...Rg1
- 2.Bf5#
- 2.Rxe3#
- 1...Rg8
- 2.Bf5#
- 1...h5
- 2.Bf5#
- 1...Sd6!
- threat
- 1.Rxe3+?
- 1...Be4
- 2.Bf5#
- 2.Re5#
- 1...Rxe3!
- 1...Be4
- 1.Se4?
- Keys
- 1.Be4!
- threat
- 2.Re5#
- 2.Qg4#
- 1...Qxc5
- 2.Bf5#
- 2.Qg4#
- 1...Qxe2
- 2.Re5#
- 1...Qxc3
- 2.Bf5#
- 1...Qxe4
- 2.Qg4#
- 1...Bxe4
- 2.Re5#
- 1...exf6
- 2.Qxf6#
- 1...Qg1
- 2.Bf5#
- 2.Re5#
- 1...Qf2
- 2.Bf5#
- 2.Re5#
- 1...Qd4
- 2.Bf5#
- 1...Qf4
- 2.Bf5#
- 1...Qg5
- 2.Bf5#
- 1...Qf3
- 2.Bf5#
- 2.Re5#
- 1...Qg3
- 2.Bf5#
- 1...Qh3
- 2.Bf5#
- 2.Re5#
- 1...Rf1
- 2.Re5#
- 1...Rg1
- 2.Re5#
- 1...Rg8
- 2.Re5#
- 1...Sd6
- 2.Re5#
- 1...Sc6
- 2.Qg4#
- 1...h5
- 2.Re5#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 12
- REMOVED MATES = 3
- Sets
- Q(c);S_CUTB(a)::B(H)
- Q(c);N_GUARD::R1(E),XQ(c)
- B(a);N_GUARD::B(H)
- B(a);N_SPINQ(c),S_CUTQ(c)::R1(E)
- B(a);N_GUARD::B(H),XB(a)
- P(f);OGATE,XS(G)::QAR1(I),XP(f)
- Tries
- Try
- S(G);N_PINQ(c)
- Threat
- DUALS(2)
- Vars
- Q(c);P_SPINQ(c),XS(G)::B(H)
- B(a);XS(G)::QAR1(I)
- P(g);OGATE,XB(H)::QAR2(I),XP(g)
- Q(c);::R(A)+S(G),DCHECK
- Q(c);::R(A)+S(G),DCHECK,XQ(c)
- R(b);::QAR1(I)
- P(g);::B(H)
- Refutation
- S(h);
- Try
- B(H);XB(a)
- Threat
- DUALS(2)
- Vars
- Q(c);N_SPINQ(c),P_PINP(C),XR(A)::B(H)
- P(f);OGATE,XS(G)::QAR1(I),XP(f)
- Q(c);::QAB(I)
- Q(c);N_GUARD::R1(E),XQ(c)
- R(b);N_GUARD::R(A),XQ(c)
- R(j);::B(H)
- P(e);::B(H)
- Refutation
- S(h);
- Try
- R(A);CHECK,XQ(c)
- Refutation
- R(b);XR(A)
- Try
- Actual
- B(H);N_PINQ(c)
- Threat
- DUALS(2)
- Vars
- Q(c);P_PINP(C),XR(A)::R1(E)
- Q(c);XB(B)::R(A)+B(H),DCHECK
- Q(c);P_SPINQ(c),XB(H)::QAB(I)
- B(a);XB(H)::R1(E)
- P(f);OGATE,XS(G)::QAR1(I),XP(f)
- Q(c);::R(A)+B(H),DCHECK
- R(b);::R1(E)
- R(j);::R1(E)
- S(h);::R1(E)
- S(i);::QAB(I)
- P(e);::R1(E)
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