MESON Chess Problem Database
Problem Display
PID: 161018 (5r2/2Bpbp1B/pP1RpRnN/p1KNk2p/Qn6/3p1PP1/b1PP4/8 w - - 0 1)
de Vos, G
de Wiest, A
1st Prize, L-hoek, 1978-1979
#2
13 + 13
| 15611 | Schaak-composities 1975-1979 (de Vuyst) | 1982 |
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Sxf7#
- 1...Rb8
- 2.Sxf7#
- 1...Rc8
- 2.Sxf7#
- 1...Rd8
- 2.Sxf7#
- 1...Re8
- 2.Sxf7#
- 1...Rg8
- 2.Sxf7#
- 1...Rh8
- 2.Sxf7#
- 1...Bb1
- 2.Qa1#
- 1...Bb3
- 2.Qa1#
- 1...Bc4
- 2.Qa1#
- 1...Bxd5
- 2.Qa1#
- 1...Bxd6+
- 2.Bxd6#
- 1...Bxf6
- 2.Rxd7#
- 1...Bd8
- 2.Rdxe6#
- 1...Sxc2
- 2.Qe4#
- 1...Sxd5
- 2.Qd4#
- 1...Sc6
- 2.Qe4#
- 1...Sf4
- 2.gxf4#
- 1...Sh4
- 2.f4#
- 1...Sh8
- 2.f4#
- 1...dxc2
- 2.d4#
- 1...h4
- 2.Sg4#
- 1...exd5
- 2.Rf5#
- 1...Ra8
- Tries
- 1.Bxg6?
- threat
- 2.f4#
- 1...Bxd6+
- 2.Bxd6#
- 1...Bxd5
- 2.Qa1#
- 1...Sxd5
- 2.Qd4#
- 1...fxg6!
- threat
- 1.Rf4?
- threat
- 2.Re4#
- 1...Bxd6+
- 2.Bxd6#
- 1...Bxd5
- 2.Qa1#
- 1...Sxd5
- 2.Qd4#
- 2.Qe4#
- 1...Sxf4
- 2.gxf4#
- 1...exd5
- 2.Rf5#
- 1...f5!
- threat
- 1.Qxb4?
- threat
- 2.Qc3#
- 2.Qb2#
- 2.Qd4#
- 2.Qe4#
- 1...Bxd6+
- 2.Bxd6#
- 1...Bxd5
- 2.Qc3#
- 2.Qb2#
- 2.Qd4#
- 1...exd5
- 2.Rf5#
- 2.Qd4#
- 1...Bb3
- 2.Qc3#
- 2.Qd4#
- 2.Qe4#
- 1...Bc4
- 2.Qc3#
- 2.Qb2#
- 1...axb4!
- threat
- 1.cxd3?
- threat
- 2.d4#
- 1...Bxd6+
- 2.Bxd6#
- 1...Bxd5
- 2.Qa1#
- 1...Sxd5
- 2.Qd4#
- 1...Sc2
- 2.Qe4#
- 1...Sc6
- 2.Qe4#
- 1...Sxd3+!
- threat
- 1.f4+?
- 1...Sxf4
- 2.gxf4#
- 1...Ke4!
- 1...Sxf4
- 1.Bxg6?
- Keys
- 1.b7!
- 1...Bxd6+
- 2.Bxd6#
- 1...Bxd5
- 2.Qa1#
- 1...Bxf6
- 2.Rxd7#
- 1...Sxc2
- 2.Qe4#
- 1...Sxd5
- 2.Qd4#
- 1...dxc2
- 2.d4#
- 1...exd5
- 2.Rf5#
- 1...Ra8
- 2.Sxf7#
- 1...Rb8
- 2.Sxf7#
- 1...Rc8
- 2.Sxf7#
- 1...Rd8
- 2.Sxf7#
- 1...Re8
- 2.Sxf7#
- 1...Rg8
- 2.Sxf7#
- 1...Rh8
- 2.Sxf7#
- 1...Bb1
- 2.Qa1#
- 1...Bb3
- 2.Qa1#
- 1...Bc4
- 2.Qa1#
- 1...Bd8
- 2.Rdxe6#
- 1...Sc6
- 2.Qe4#
- 1...Sf4
- 2.gxf4#
- 1...Sh4
- 2.f4#
- 1...Sh8
- 2.f4#
- 1...h4
- 2.Sg4#
- 1...Bxd6+
- 1.b7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(m);N_GUARD::S(K),XP(l)
- R(m);N_GUARD,P_PINB(L)::S(K),XP(l)
- B(a);OGATE::QAB(E)
- B(a);OGATE,XS(G)::QAB(E)
- B(k);CHECK,OGATE,P_SPINB(k),XR(I)::B(L),XB(k)
- B(k);N_PINR(I),XR(J)::B(L)+R(I),XP(j)
- B(k);N_PINR(I)::B(L)+R(I),DCHECK,XP(h)
- S(c);OGATE,XP(A)::QAR1(E)
- S(c);OGATE,XS(G)::QAB1(E)
- S(c);OGATE::QAR1(E)
- S(i);OGATE::P(D),XS(i)
- S(i);N_GUARD::P(C)
- P(b);OGATE,XP(A)::P(B)
- P(f);N_GUARD::S(K)
- P(h);N_GUARD,XS(G)::R1(J)
- Tries
- Try
- B(M);XS(i)
- Threat
- P(C)
- Vars
- B(k);CHECK,OGATE,P_SPINB(k),XR(I)::B(L),XB(k)
- B(a);OGATE,XS(G)::QAB(E)
- S(c);OGATE,XS(G)::QAB1(E)
- Refutation
- P(l);XB(M)
- Try
- R(J);
- Threat
- R1(J)
- Vars
- B(k);CHECK,OGATE,P_SPINB(k),XR(I)::B(L),XB(k)
- B(a);OGATE,XS(G)::QAB(E)
- S(i);OGATE,XR(J)::P(D),XS(i)
- P(h);N_GUARD,XS(G)::R1(J)
- Refutation
- P(l);
- Try
- Q(E);XS(c)
- Threat
- DUALS(4)
- Vars
- B(k);CHECK,OGATE,P_SPINB(k),XR(I)::B(L),XB(k)
- Refutation
- P(d);XQ(E)
- Try
- P(A);XP(b)
- Threat
- P(A)
- Vars
- B(k);CHECK,OGATE,P_SPINB(k),XR(I)::B(L),XB(k)
- B(a);OGATE,XS(G)::QAB(E)
- S(c);OGATE,XS(G)::QAB1(E)
- S(c);OGATE::QAR1(E)
- Refutation
- S(c);CHECK,XP(A)
- Try
- P(C);CHECK
- Vars
- S(i);OGATE,XP(C)::P(D),XS(i)
- Refutation
- K(e);P-FLIGHT,P_SPINS(c)
- Try
- Actual
- P(H);
- Vars
- B(k);CHECK,OGATE,P_SPINB(k),XR(I)::B(L),XB(k)
- B(a);OGATE,XS(G)::QAB(E)
- B(k);N_PINR(I),XR(J)::B(L)+R(I),XP(j)
- S(c);OGATE,XP(A)::QAR1(E)
- S(c);OGATE,XS(G)::QAB1(E)
- P(b);OGATE,XP(A)::P(B)
- P(h);N_GUARD,XS(G)::R1(J)
- R(m);N_GUARD::S(K),XP(l)
- R(m);N_GUARD,P_PINB(L)::S(K),XP(l)
- B(a);OGATE::QAB(E)
- B(k);N_PINR(I)::B(L)+R(I),DCHECK,XP(h)
- S(c);OGATE::QAR1(E)
- S(i);OGATE::P(D),XS(i)
- S(i);N_GUARD::P(C)
- P(f);N_GUARD::S(K)
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