MESON Chess Problem Database
Problem Display
PID: 50758 (4rn2/bQpbp2P/3B4/p5pK/p2kN1rp/R1pP1B2/5PR1/2N3n1 w - - 0 1)
Gockel, Hubert
Sp. Prize, Die Schwalbe, 1986
#2
11 + 14
| 3297 | FIDE Album (1986-1988) | 1995 |
| 15652 | Tehtavaniekka | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Rxe4
- 2.Qxe4#
- 1...Bf5
- 2.Rxa4#
- 1...Be6
- 2.h8Q#
- 2.h8B#
- 1...Bc8
- 2.Rxa4#
- 1...Rxe4
- Tries
- 1.Se2+?
- 1...Kxd3
- 2.Rxc3#
- 1...Sxe2!
- 1...Kxd3
- 1.Sxc3?
- threat
- 2.Qd5#
- 1...Bc6
- 2.Qxa7#
- 1...Be6
- 2.Sb5#
- 2.h8Q#
- 2.h8B#
- 1...e6
- 2.Rxg4#
- 1...c6!
- threat
- 1.Sg3?
- threat
- 2.Qd5#
- 1...Sxf3
- 2.Sge2#
- 1...Re4
- 2.Qxe4#
- 1...Bc6
- 2.Sf5#
- 2.Qxa7#
- 1...Be6
- 2.h8Q#
- 2.h8B#
- 1...c6
- 2.Rxa4#
- 1...e6!
- threat
- 1.Sc5?
- threat
- 2.Qd5#
- 1...Sxf3
- 2.Se2#
- 1...Re4
- 2.Qxe4#
- 1...Be6
- 2.h8Q#
- 2.h8B#
- 1...c6
- 2.Rxa4#
- 1...e6
- 2.Rxg4#
- 1...Bc6!
- threat
- 1.Sxg5?
- threat
- 2.Qd5#
- 1...Sxf3
- 2.Sxf3#
- 1...Re4
- 2.Qxe4#
- 1...Bc6
- 2.Qxa7#
- 1...Be6
- 2.h8Q#
- 2.h8B#
- 1...c6
- 2.Rxa4#
- 1...e6
- 2.Rxg4#
- 1...Rxg5+!
- threat
- 1.Sf6?
- threat
- 2.Qd5#
- 1...Bc6
- 2.Qxa7#
- 1...c6
- 2.Rxa4#
- 1...e6
- 2.Rxg4#
- 1...Be6!
- threat
- 1.Qb4+?
- 1...Kd5
- 2.Qc4#
- 1...axb4!
- 1...Kd5
- 1.Qb5?
- threat
- 2.Be5#
- 2.Rxa4#
- 2.Qc4#
- 2.Qe5#
- 1...Rxe4
- 2.Rxa4#
- 2.Qc4#
- 1...Sxf3
- 2.Se2#
- 2.Rxa4#
- 2.Qc4#
- 1...cxd6
- 2.Rxa4#
- 1...exd6
- 2.Rxa4#
- 1...Bc5
- 2.Qc4#
- 2.Qxc5#
- 1...c5
- 2.Qc4#
- 1...Be6
- 2.Be5#
- 2.Qe5#
- 2.h8Q#
- 2.h8B#
- 1...Sg6
- 2.Rxa4#
- 2.Qc4#
- 1...e5
- 2.Rxa4#
- 2.Qc4#
- 1...Bxb5!
- threat
- 1.Qxa7+?
- 1...c5
- 2.Qxc5#
- 1...Kd5!
- 1...c5
- 1.Se2+?
- Keys
- 1.Sd2!
- threat
- 2.Qd5#
- 1...Sxf3
- 2.Sxf3#
- 1...Re4
- 2.Qxe4#
- 1...Bc6
- 2.Qxa7#
- 1...Be6
- 2.h8Q#
- 2.h8B#
- 1...c6
- 2.Rxa4#
- 1...e6
- 2.Rxg4#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- R(e);OGATE,XS(G)::QAR1(J),XR(e)
- B(k);N_GUARD::R(D),XP(c)
- B(k);S_CUTP(l)::P=Q
- Tries
- Try
- S(A);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINP(b),XP(E)::R1(D),XP(b)
- Refutation
- S(a);XS(A)
- Try
- S(G);XP(b)
- Threat
- QAR1(J)
- Vars
- B(k);S_CUTP(j)::QAB(J),XB(i)
- P(l);S_CUTB(k)::R(C),XR(e)
- Refutation
- P(j);
- Try
- S(G);
- Threat
- QAR1(J)
- Vars
- S(a);N_GUARD,XB(F)::S(G)
- R(e);N_GUARD::QAR1(J),XR(e)
- B(k);S_CUTP(l)::P=Q
- P(j);S_CUTB(k)::R(D),XP(c)
- Refutation
- P(l);
- Try
- S(G);
- Threat
- QAR1(J)
- Vars
- S(a);N_GUARD,XB(F)::S(A)
- R(e);N_GUARD::QAR1(J),XR(e)
- B(k);S_CUTP(l)::P=Q
- P(j);S_CUTB(k)::R(D),XP(c)
- P(l);S_CUTB(k)::R(C),XR(e)
- Refutation
- B(k);
- Try
- S(G);XP(h)
- Threat
- QAR1(J)
- Vars
- S(a);XB(F)::S(G),XS(a)
- R(e);N_GUARD::QAR1(J),XR(e)
- B(k);S_CUTP(j)::QAB(J),XB(i)
- B(k);S_CUTP(l)::P=Q
- P(j);S_CUTB(k)::R(D),XP(c)
- P(l);S_CUTB(k)::R(C),XR(e)
- Refutation
- R(e);CHECK,XS(G)
- Try
- S(G);
- Threat
- QAR1(J)
- Vars
- B(k);S_CUTP(j)::QAB(J),XB(i)
- P(j);S_CUTB(k)::R(D),XP(c)
- P(l);S_CUTB(k)::R(C),XR(e)
- Refutation
- B(k);
- Try
- Q(J);CHECK
- Vars
- K(d);P-FLIGHT::QAB1(J)
- Refutation
- P(g);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(4)
- Vars
- P(j);XB(I)::R(D),XP(c)
- P(l);XB(I)::R(D),XP(c)
- P(j);::QAR1(J)
- Refutation
- B(k);XQ(J)
- Try
- Q(J);CHECK,XB(i)
- Vars
- P(j);P_SPINP(j)::QAB1(J),XP(j)
- Refutation
- K(d);P-FLIGHT
- Try
- Actual
- S(G);
- Threat
- QAR1(J)
- Vars
- S(a);XB(F)::S(G),XS(a)
- R(e);N_GUARD::QAR1(J),XR(e)
- B(k);S_CUTP(j)::QAB(J),XB(i)
- B(k);S_CUTP(l)::P=Q
- P(j);S_CUTB(k)::R(D),XP(c)
- P(l);S_CUTB(k)::R(C),XR(e)
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