MESON Chess Problem Database
Problem Display
PID: 18727 (3B3n/1PP2pNn/K2N2R1/pQP1k3/R6r/4PB1b/6P1/1r6 w - - 0 1)
Smit, Geert
1/2 Prize, Tijdschrift vd KNSB, 1957
#2
13 + 8
| 3976 | FIDE Album (1956-1958) | 1961 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.c6#
- 1...Re1
- 2.c6#
- 1...Rf1
- 2.c6#
- 1...Rg1
- 2.c6#
- 1...Rh1
- 2.c6#
- 1...Rc4
- 2.Sxc4#
- 1...Rf4
- 2.exf4#
- 1...Rg4
- 2.Qe8#
- 1...Rh5
- 2.Sc4#
- 1...Rh6
- 2.Sc4#
- 1...Bxg2
- 2.Qe8#
- 1...Bg4
- 2.Sc4#
- 1...Sg5
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sf8
- 2.Bf6#
- 1...Sxg6
- 2.Sxf7#
- 1...f5
- 2.Re6#
- 2.Qe8#
- 1...Ra1
- Tries
- 1.Bxh4?
- threat
- 2.Sc4#
- 2.Bg3#
- 1...Sxg6
- 2.Sc4#
- 2.Sxf7#
- 1...fxg6
- 2.Sc4#
- 1...Rc1
- 2.Bg3#
- 1...Be6
- 2.Bg3#
- 1...f5
- 2.Sc4#
- 2.Re6#
- 2.Qe8#
- 1...Rb4!
- threat
- 1.Rgg4?
- threat
- 2.Sc4#
- 2.Qe8#
- 1...Rxb5
- 2.Sc4#
- 1...Rxg4
- 2.Qe8#
- 1...Bxg4
- 2.Sc4#
- 1...Rb4
- 2.Qe8#
- 1...Rc1
- 2.Qe8#
- 1...Sg5
- 2.Sc4#
- 1...Sf6
- 2.Sc4#
- 1...Sf8
- 2.Sc4#
- 1...Sg6
- 2.Sc4#
- 2.Sxf7#
- 1...Rh6!
- threat
- 1.Rg5+?
- 1...Bf5
- 2.Rxf5#
- 2.Qe8#
- 1...f5
- 2.Qe8#
- 1...Sxg5!
- 1...Bf5
- 1.Qb2+?
- 1...Rd4
- 2.Sc4#
- 2.Qxd4#
- 1...Rxb2!
- 1...Rd4
- 1.g4?
- threat
- 2.Sc4#
- 2.Qe8#
- 1...Rxb5
- 2.Sc4#
- 1...Rxg4
- 2.Qe8#
- 1...Bxg4
- 2.Sc4#
- 1...Sxg6
- 2.Sc4#
- 2.Sxf7#
- 1...Rc1
- 2.Qe8#
- 1...Rb4
- 2.Qe8#
- 1...Sg5
- 2.Sc4#
- 2.Bf6#
- 1...Sf6
- 2.Sc4#
- 2.Bxf6#
- 2.Rg5#
- 1...Sf8
- 2.Sc4#
- 2.Bf6#
- 1...Bf1!
- threat
- 1.Bxh4?
- Keys
- 1.Rag4!
- threat
- 2.Sc4#
- 2.Qe8#
- 1...Rxb5
- 2.Sc4#
- 1...Rxg4
- 2.Qe8#
- 1...Bxg4
- 2.Sc4#
- 1...Sxg6
- 2.Sc4#
- 2.Sxf7#
- 1...Rc1
- 2.Qe8#
- 1...Rb4
- 2.Qe8#
- 1...Sg5
- 2.Sc4#
- 2.Bf6#
- 1...Sf6
- 2.Sc4#
- 2.Bxf6#
- 2.R6g5#
- 1...Sf8
- 2.Sc4#
- 2.Bf6#
- threat
- 1.Rag4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 14
- Sets
- R(a);N_GUARD::QAR(E)+P(F)
- R(c);N_GUARD::S(H),XR(c)
- R(c);OGATE::P(B),XR(c)
- R(c);S_CUTB(b)::QAR(E)
- R(c);N_GUARD::S(H)
- B(b);N_GUARD,XP(A)::QAR(E)
- B(b);S_CUTR(c)::S(H)
- S(g);N_GUARD::B(M)
- S(g);N_GUARD::B(M),XS(g)
- S(h);N_GUARD,XR(I)::S(H),XP(f)
- Tries
- Try
- B(M);XR(c)
- Threat
- DUALS(2)
- Vars
- P(f);XR(I)::S(H)
- R(a);::B(M)
- B(b);::B(M)
- Refutation
- R(a);
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- R(a);XQ(E)::S(H)
- R(c);XR(I)::QAR(E)
- B(b);XR(I)::S(H)
- R(a);::QAR(E)
- S(g);::S(H)
- Refutation
- R(c);P_PINS(H)
- Try
- R(I);CHECK
- Vars
- P(f);P_SPINP(f)::QAR(E)
- Refutation
- S(g);XR(I)
- Try
- Q(E);CHECK
- Refutation
- R(a);XQ(E)
- Try
- P(A);
- Threat
- DUALS(2)
- Vars
- R(a);XQ(E)::S(H)
- R(c);XP(A)::QAR(E)
- B(b);XP(A)::S(H)
- R(a);::QAR(E)
- Refutation
- B(b);P_PINQ(E)
- Try
- Actual
- R(D);
- Threat
- DUALS(2)
- Vars
- R(a);XQ(E)::S(H)
- R(c);XR(D)::QAR(E)
- B(b);XR(D)::S(H)
- R(a);::QAR(E)
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