MESON Chess Problem Database
Problem Display
PID: 15758 (8/1pK5/2p3p1/pPRN1bQn/3k4/1P1NpP2/2P1rr2/4R3 w - - 0 1)
Gockel, Hubert
4th Prize, Schach-Aktiv, 1987
#2
10 + 10
| 3297 | FIDE Album (1986-1988) | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Rxc2
- 2.Qxe3#
- 1...Rd2
- 2.Qxe3#
- 1...Bh3
- 2.Rc4#
- 2.Qe5#
- 1...Be4
- 2.Rc4#
- 2.Qe5#
- 1...Bg4
- 2.Rc4#
- 2.Qe5#
- 1...Be6
- 2.Rc4#
- 2.Qe5#
- 1...Bd7
- 2.Rc4#
- 2.Qe5#
- 1...Bc8
- 2.Rc4#
- 2.Qe5#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Qf6#
- 1...Rxc2
- Tries
- 1.S5b4?
- threat
- 2.Rc4#
- 2.c3#
- 1...Rxc2
- 2.Qxe3#
- 1...Rxf3
- 2.Rc4#
- 1...Bxd3
- 2.Qe5#
- 2.c3#
- 1...cxb5
- 2.c3#
- 1...Be6
- 2.Qe5#
- 2.c3#
- 1...axb4!
- threat
- 1.S5f4?
- threat
- 2.Rc4#
- 2.c3#
- 1...Rxf3
- 2.Rc4#
- 1...Bxd3
- 2.Se6#
- 2.Qe5#
- 2.c3#
- 1...Sxf4
- 2.Qf6#
- 1...cxb5
- 2.c3#
- 1...Be6
- 2.Sxe6#
- 2.Qe5#
- 2.c3#
- 1...Rxc2!
- threat
- 1.Sb6?
- threat
- 2.Rc4#
- 1...Rxc2
- 2.Qxe3#
- 1...Bxd3
- 2.Qe5#
- 2.c3#
- 1...Be6
- 2.Qe5#
- 1...cxb5!
- threat
- 1.Sf6?
- threat
- 2.Rc4#
- 1...Rxc2
- 2.Qxe3#
- 1...Bxd3
- 2.Qe5#
- 2.c3#
- 1...Sxf6
- 2.Qxf6#
- 1...Be6
- 2.Qe5#
- 1...cxb5!
- threat
- 1.Se7?
- threat
- 2.Rc4#
- 1...Rxc2
- 2.Qxe3#
- 1...Bxd3
- 2.Qe5#
- 2.c3#
- 1...Be6
- 2.Qe5#
- 1...cxb5!
- threat
- 1.Rd1?
- threat
- 2.c3#
- 1...Rxc2
- 2.Qxe3#
- 1...Bxd3
- 2.Rc4#
- 1...Rd2
- 2.Qxe3#
- 1...Rxf3!
- threat
- 1.Qf4+?
- 1...Be4
- 2.Qe5#
- 2.Qxe4#
- 1...Sxf4!
- 1...Be4
- 1.Qh4+?
- 1...Be4
- 2.Qxe4#
- 1...Sf4
- 2.Qf6#
- 2.Qh8#
- 1...Bg4!
- 1...Be4
- 1.Qe7?
- threat
- 2.Qe5#
- 1...Rxc2
- 2.Qxe3#
- 1...Bxd3
- 2.c3#
- 1...Be6!
- threat
- 1.Qxf5?
- threat
- 2.Rc4#
- 2.Qe4#
- 2.Qe5#
- 2.c3#
- 1...Rxc2
- 2.Qe4#
- 1...Rxf3
- 2.Rc4#
- 2.Qe5#
- 2.c3#
- 1...cxb5
- 2.Qe4#
- 2.Qe5#
- 2.c3#
- 1...cxd5
- 2.Qxd5#
- 2.Qe5#
- 2.c3#
- 1...Sg3
- 2.Rc4#
- 2.Qe5#
- 2.Qf6#
- 2.c3#
- 1...Sf6
- 2.Rc4#
- 2.Qe5#
- 2.Qxf6#
- 2.c3#
- 1...gxf5!
- threat
- 1.S5b4?
- Keys
- 1.Sc3!
- threat
- 2.Rc4#
- 1...Rxc2
- 2.Qxe3#
- 1...Bxd3
- 2.Qe5#
- 1...cxb5
- 2.Sxb5#
- 1...Be6
- 2.Qe5#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(a);N_GUARD,XP(B)::QAB1(I),XP(c)
- R(a);N_GUARD::QAB1(I),XP(c)
- S(g);N_GUARD::QAB(I)
- S(g);N_GUARD::QAB(I),XS(g)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XP(B)::QAB1(I),XP(c)
- R(b);XP(E)::R1(G)
- P(h);XP(F)::P(B)
- Refutation
- P(e);XS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(b);XP(E)::R1(G)
- S(g);N_GUARD,XS(H)::QAB(I)
- P(h);XP(F)::P(B)
- Refutation
- R(a);XP(B)
- Try
- S(H);
- Threat
- R1(G)
- Vars
- R(a);N_GUARD,XP(B)::QAB1(I),XP(c)
- B(f);OGATE::QAB1(I)
- Refutation
- P(h);XP(F)
- Try
- S(H);
- Threat
- R1(G)
- Vars
- R(a);N_GUARD,XP(B)::QAB1(I),XP(c)
- S(g);OGATE,XS(H)::QAB(I),XS(g)
- B(f);OGATE::QAB1(I)
- Refutation
- P(h);XP(F)
- Try
- S(H);
- Threat
- R1(G)
- Vars
- R(a);N_GUARD,XP(B)::QAB1(I),XP(c)
- B(f);OGATE::QAB1(I)
- Refutation
- P(h);XP(F)
- Try
- R(A);
- Threat
- P(B)
- Vars
- R(a);N_GUARD,XP(B)::QAB1(I),XP(c)
- B(f);P_SPINB(f),XS(D)::R1(G)
- R(a);N_GUARD::QAB1(I),XP(c)
- Refutation
- R(b);XP(E)
- Try
- Q(I);CHECK
- Refutation
- S(g);XQ(I)
- Try
- Q(I);CHECK
- Vars
- B(f);N_GUARD,P_SPINB(f)::QAR1(I),XB(f)
- Refutation
- B(f);P_SPINB(f)
- Try
- Q(I);
- Threat
- QAB1(I)
- Vars
- R(a);N_GUARD,XP(B)::QAB1(I),XP(c)
- B(f);SBLOCK,XS(D)::P(B)
- Refutation
- B(f);
- Try
- Q(I);XB(f)
- Threat
- DUALS(4)
- Vars
- R(a);XP(B)::QAR1(I)
- Refutation
- P(i);XQ(I)
- Try
- Actual
- S(H);
- Threat
- R1(G)
- Vars
- R(a);N_GUARD,XP(B)::QAB1(I),XP(c)
- B(f);OGATE,XS(D)::QAB1(I)
- P(h);XP(F)::S(H),XP(h)
- B(f);OGATE::QAB1(I)
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