MESON Chess Problem Database
Problem Display
PID: 30937 (8/2p1p3/2pb2K1/2p1NR1N/1nBPkp2/4p2n/8/3QR3 w - - 0 1)
Gevers, Raymond
Bulletin de la FFE, 1942
#2
8 + 10
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1947 |
SOLUTION
- SOUND
- Sets
- 1...Bxe5
- 2.Rxe5#
- 1...Sg1
- 2.Rxf4#
- 1...Sf2
- 2.Rxf4#
- 1...Sg5
- 2.Rxf4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...e2
- 2.Rxe2#
- 1...f3
- 2.Sg3#
- 1...cxd4
- 2.Qf3#
- 1...e6
- 2.Sf6#
- 1...Bxe5
- Tries
- 1.Bb3?
- 1...Bxe5
- 2.Rxe5#
- 1...cxd4
- 2.Qf3#
- 1...Sd3
- 2.Qxd3#
- 1...e2
- 2.Rxe2#
- 1...Sg1
- 2.Rxf4#
- 1...Sf2
- 2.Rxf4#
- 1...Sg5
- 2.Rxf4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd5
- 2.Bc2#
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...f3
- 2.Sg3#
- 1...e6
- 2.Sf6#
- 1...c4!
- 1...Bxe5
- 1.Be6?
- 1...Bxe5
- 2.Rxe5#
- 1...cxd4
- 2.Qf3#
- 1...Sd3
- 2.Qxd3#
- 1...e2
- 2.Rxe2#
- 1...Sg1
- 2.Rxf4#
- 1...Sf2
- 2.Rxf4#
- 1...Sg5
- 2.Rxf4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...f3
- 2.Sg3#
- 1...c4!
- 1...Bxe5
- 1.Bf7?
- 1...Bxe5
- 2.Rxe5#
- 1...cxd4
- 2.Qf3#
- 1...Sd3
- 2.Qxd3#
- 1...e2
- 2.Rxe2#
- 1...e6
- 2.Sf6#
- 1...Sg1
- 2.Rxf4#
- 1...Sf2
- 2.Rxf4#
- 1...Sg5
- 2.Rxf4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...f3
- 2.Sg3#
- 1...c4!
- 1...Bxe5
- 1.Bg8?
- 1...Bxe5
- 2.Rxe5#
- 1...cxd4
- 2.Qf3#
- 1...Sd3
- 2.Qxd3#
- 1...e2
- 2.Rxe2#
- 1...e6
- 2.Sf6#
- 1...Sg1
- 2.Rxf4#
- 1...Sf2
- 2.Rxf4#
- 1...Sg5
- 2.Rxf4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...f3
- 2.Sg3#
- 1...c4!
- 1...Bxe5
- 1.Rf1?
- 1...Bxe5
- 2.Rxe5#
- 1...cxd4
- 2.Qf3#
- 1...Sd3
- 2.Qxd3#
- 1...Sg1
- 2.R1xf4#
- 2.R5xf4#
- 1...Sf2
- 2.Rxf4#
- 1...Sg5
- 2.R1xf4#
- 2.R5xf4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...f3
- 2.Sg3#
- 1...e6
- 2.Sf6#
- 1...e2!
- 1...Bxe5
- 1.Rg1?
- 1...Bxe5
- 2.Rxe5#
- 1...Sxg1
- 2.Rxf4#
- 1...cxd4
- 2.Qf3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf2
- 2.Rxf4#
- 1...Sg5
- 2.Rxf4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...f3
- 2.Sg3#
- 1...e6
- 2.Sf6#
- 1...e2!
- 1...Bxe5
- 1.Rh1?
- 1...Bxe5
- 2.Rxe5#
- 1...cxd4
- 2.Qf3#
- 1...Sd3
- 2.Qxd3#
- 1...Sg1
- 2.Rxf4#
- 1...Sf2
- 2.Rxf4#
- 1...Sg5
- 2.Rxf4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...f3
- 2.Sg3#
- 1...e6
- 2.Sf6#
- 1...e2!
- 1...Bxe5
- 1.Rxe3+?
- 1...fxe3
- 2.Sg3#
- 1...Kxe3!
- 1...fxe3
- 1.Qc2+?
- 1...Kxd4
- 2.Sf3#
- 1...Sd3
- 2.Qxd3#
- 1...Sxc2!
- 1...Kxd4
- 1.Bb3?
- Keys
- 1.Sf3!
- 1...cxd4
- 2.Sd2#
- 1...e2
- 2.Qxe2#
- 1...Be5
- 2.Rxe5#
- 1...Sg1
- 2.Sg5#
- 1...Sf2
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sa2
- 2.Bd3#
- 1...Sc2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sd5
- 2.Bd3#
- 1...Sa6
- 2.Bd3#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...cxd4
- 1.Sf3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(h);OGATE,XS(E)::R1(F),XB(h)
- S(b);N_GUARD::R1(F),XP(e)
- S(c);N_GUARD::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- P(a);OGATEB::R(B),XP(a)
- P(e);N_GUARD::S(G)
- P(f);SBLOCK,XP(D)::QAB1(A)
- P(j);N_GUARD::S(G)
- Tries
- Try
- B(C);
- Vars
- B(h);OGATE,XS(E)::R1(F),XB(h)
- P(f);SBLOCK,XP(D)::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- P(a);OGATEB::R(B),XP(a)
- S(b);N_GUARD::R1(F),XP(e)
- S(c);N_GUARD::QAB1(A)
- P(e);N_GUARD::S(G)
- P(j);N_GUARD::S(G)
- Refutation
- P(f);
- Try
- B(C);
- Vars
- B(h);OGATE,XS(E)::R1(F),XB(h)
- P(f);SBLOCK,XP(D)::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- P(a);OGATEB::R(B),XP(a)
- S(b);N_GUARD::R1(F),XP(e)
- S(c);N_GUARD::QAB1(A)
- P(e);N_GUARD::S(G)
- Refutation
- P(f);
- Try
- B(C);
- Vars
- B(h);OGATE,XS(E)::R1(F),XB(h)
- P(f);SBLOCK,XP(D)::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- P(a);OGATEB::R(B),XP(a)
- P(j);N_GUARD::S(G)
- S(b);N_GUARD::R1(F),XP(e)
- S(c);N_GUARD::QAB1(A)
- P(e);N_GUARD::S(G)
- Refutation
- P(f);
- Try
- B(C);
- Vars
- B(h);OGATE,XS(E)::R1(F),XB(h)
- P(f);SBLOCK,XP(D)::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- P(a);OGATEB::R(B),XP(a)
- P(j);N_GUARD::S(G)
- S(b);N_GUARD::R1(F),XP(e)
- S(c);N_GUARD::QAB1(A)
- P(e);N_GUARD::S(G)
- Refutation
- P(f);
- Try
- R(B);N_PINP(a)
- Vars
- B(h);OGATE,XS(E)::R1(F),XB(h)
- P(f);SBLOCK,XP(D)::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- S(b);N_GUARD::R1(F),XP(e)
- S(c);N_GUARD::QAB1(A)
- P(e);N_GUARD::S(G)
- P(j);N_GUARD::S(G)
- Refutation
- P(a);
- Try
- R(B);N_PINP(a)
- Vars
- B(h);OGATE,XS(E)::R1(F),XB(h)
- S(b);N_GUARD,XR(B)::R1(F),XP(e)
- P(f);SBLOCK,XP(D)::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- S(b);N_GUARD::R1(F),XP(e)
- S(c);N_GUARD::QAB1(A)
- P(e);N_GUARD::S(G)
- P(j);N_GUARD::S(G)
- Refutation
- P(a);
- Try
- R(B);N_PINP(a)
- Vars
- B(h);OGATE,XS(E)::R1(F),XB(h)
- P(f);SBLOCK,XP(D)::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- S(b);N_GUARD::R1(F),XP(e)
- S(c);N_GUARD::QAB1(A)
- P(e);N_GUARD::S(G)
- P(j);N_GUARD::S(G)
- Refutation
- P(a);
- Try
- R(B);CHECK,XP(a)
- Vars
- P(e);SBLOCK,XR(B)::S(G)
- Refutation
- K(d);P-FLIGHT,XR(B)
- Try
- Q(A);CHECK
- Vars
- K(d);N_SPINP(a),P-FLIGHT,XP(D)::S(E)
- S(c);N_GUARD,P_SPINS(c)::QAB1(A),XS(c)
- Refutation
- S(c);XQ(A)
- Try
- Actual
- S(E);
- Vars
- P(f);SBLOCK,XP(D)::S(E)
- P(a);OGATEB::QAR2(A),XP(a)
- B(h);N_GUARD::R1(F),XB(h)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(c);N_GUARD::B(C)
- S(c);N_GUARD::B(C),XS(c)
- P(j);N_GUARD::S(G)
Developed and maintained by Brian Stephenson.
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