MESON Chess Problem Database
Problem Display
PID: 99873 (2N5/r2p3K/3pP1pR/1RN1k3/2Pp1pPB/2Pq4/5QB1/7b w - - 0 1)
Simonet, Andre
Magyar Sakkelet, 1986
#2
12 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Qxd4#
- 2.cxd4#
- 1...Qf1
- 2.Qxd4#
- 2.cxd4#
- 1...Qc2
- 2.Qxd4#
- 2.cxd4#
- 1...Qe2
- 2.Qxd4#
- 2.Qxe2#
- 2.cxd4#
- 1...Qf5
- 2.Qxd4#
- 2.cxd4#
- 1...Qf3
- 2.Qxd4#
- 2.cxd4#
- 1...Qg3
- 2.Qxd4#
- 2.cxd4#
- 1...Qh3
- 2.Qxd4#
- 2.cxd4#
- 1...f3
- 2.Qg3#
- 1...g5+
- 2.Sxd3#
- 1...dxe6+
- 2.Sd7#
- 1...Qb1
- Tries
- 1.Kg7?
- threat
- 2.Bf6#
- 1...dxe6+
- 2.Sd7#
- 1...f3
- 2.Bg3#
- 2.Qg3#
- 1...Qf5
- 2.Qxd4#
- 2.cxd4#
- 1...g5
- 2.Sxd3#
- 2.Sxd7#
- 1...dxc5!
- threat
- 1.Sb7+?
- 1...Kxe6
- 2.Sd8#
- 1...d5!
- 1...Kxe6
- 1.Qe1+?
- 1...Qe2
- 2.Qxe2#
- 1...Qe4
- 2.Qxe4#
- 1...Qe3!
- 1...Qe2
- 1.e7?
- threat
- 2.e8Q#
- 2.e8R#
- 1...g5+
- 2.Sxd3#
- 1...Qxc3
- 2.e8Q#
- 2.e8R#
- 1...Bxg2
- 2.e8Q#
- 2.e8R#
- 1...dxc3
- 2.e8Q#
- 2.e8R#
- 1...dxc5
- 2.e8Q#
- 2.e8R#
- 1...f3
- 2.Qg3#
- 1...d5
- 2.e8Q#
- 2.e8R#
- 1...Qb1
- 2.Qxd4#
- 2.cxd4#
- 2.e8Q#
- 2.e8R#
- 1...Qf1
- 2.Qxd4#
- 2.cxd4#
- 2.e8Q#
- 2.e8R#
- 1...Qc2
- 2.Qxd4#
- 2.cxd4#
- 2.e8Q#
- 2.e8R#
- 1...Qe2
- 2.Qxd4#
- 2.Qxe2#
- 2.cxd4#
- 2.e8Q#
- 2.e8R#
- 1...Qe4
- 2.e8Q#
- 2.e8R#
- 1...Qf5
- 2.Qxd4#
- 2.cxd4#
- 1...Qd1
- 2.e8Q#
- 2.e8R#
- 1...Qd2
- 2.e8Q#
- 2.e8R#
- 1...Qe3
- 2.e8Q#
- 2.e8R#
- 1...Qf3
- 2.Qxd4#
- 2.cxd4#
- 2.e8Q#
- 2.e8R#
- 1...Qg3
- 2.Qxd4#
- 2.cxd4#
- 2.e8Q#
- 2.e8R#
- 1...Qh3
- 2.Qxd4#
- 2.cxd4#
- 2.e8Q#
- 2.e8R#
- 1...Ra1
- 2.e8Q#
- 2.e8R#
- 1...Ra2
- 2.e8Q#
- 2.e8R#
- 1...Ra3
- 2.e8Q#
- 2.e8R#
- 1...Ra4
- 2.e8Q#
- 2.e8R#
- 1...Ra5
- 2.e8Q#
- 2.e8R#
- 1...Ra6
- 2.e8Q#
- 2.e8R#
- 1...Rb7
- 2.e8Q#
- 2.e8R#
- 1...Rc7
- 2.e8Q#
- 2.e8R#
- 1...Ra8
- 2.e8Q#
- 2.e8R#
- 1...Qxc4!
- threat
- 1.Kg7?
- Keys
- 1.Sxd6!
- threat
- 2.Sf7#
- 1...g5+
- 2.Sce4#
- 1...dxe6+
- 2.Scb7#
- 1...Kxd6
- 2.Qxf4#
- 1...f3
- 2.Qg3#
- 1...Qf5
- 2.Qxd4#
- threat
- 1.Sxd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(d);OGATEB::QAB(A)
- P(g);CHECK::R(G)+S(H),DCHECK,XQ(b)
- P(i);CHECK,SBLOCK,XP(I)::R(G)+S(H),DCHECK
- Tries
- Try
- K(K);P-FLIGHT
- Threat
- B(F)
- Vars
- P(i);CHECK,SBLOCK,XP(I)::R(G)+S(H),DCHECK
- Refutation
- P(f);P_SPINP(f),XS(H)
- Try
- S(H);CHECK
- Vars
- K(e);P-FLIGHT,P_SPINP(g),XP(I)::S(H)
- Refutation
- P(f);P_SPINP(f)
- Try
- Q(A);CHECK
- Vars
- Q(b);N_GUARD,P_SPINQ(b)::QAR(A),XQ(b)
- Q(b);N_GUARD,P_SPINQ(b)::QAR1(A),XQ(b)
- Refutation
- Q(b);P_SPINQ(b)
- Try
- P(I);
- Threat
- P=Q
- Vars
- P(g);CHECK::R(G)+S(H),DCHECK,XQ(b)
- Q(b);XP(C)::P=Q
- B(a);XB(B)::P=Q
- P(c);XP(C)::P=Q
- P(f);P_SPINP(f),XS(H)::P=Q
- P(d);OGATEB::QAB(A)
- P(f);::P=Q
- Q(b);::P=Q
- R(h);::P=Q
- Refutation
- Q(b);XP(D)
- Try
- Actual
- S(L);XP(f)
- Threat
- S(L)
- Vars
- P(g);CHECK::R(G)+S(H)
- P(i);CHECK,SBLOCK,XP(I)::R(G)+S(H)
- K(e);S_FLIGHT,XS(L)::QAB(A),XP(d)
- P(d);OGATEB::QAB(A)
- Q(b);N_GUARD::QAB1(A),XP(c)
Developed and maintained by Brian Stephenson.
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