MESON Chess Problem Database
Problem Display
PID: 159011 (3b1Bb1/2p1r3/4p1Q1/5R2/2kp4/4P3/nR1P2B1/4NK2 w - - 0 1)
Junker, Karl
HM., Main-Post, 1956
#2
9 + 8
| 15529 | Karl Junker: Ausgewahlte Schachaufgaben | 1978 |
| 16882 | KSG-Problemschach 1969-1987 (Muck/Laue) | 1993 |
SOLUTION
- SOUND
- Sets
- 1...Rd7
- 2.Rc5#
- 1...Rf7
- 2.Qxe6#
- 1...Rg7
- 2.Rc5#
- 1...Rh7
- 2.Rc5#
- 1...Re8
- 2.Rc5#
- 1...Sc3
- 2.d3#
- 1...dxe3
- 2.Qg4#
- 1...d3
- 2.Qg4#
- 1...exf5
- 2.Qc6#
- 1...e5
- 2.Qc6#
- 1...Rd7
- Tries
- 1.Bd5+?
- 1...exd5
- 2.Qc6#
- 1...Kc5!
- 1...exd5
- 1.Bb7?
- threat
- 2.Ba6#
- 1...dxe3
- 2.Qg4#
- 1...exf5
- 2.Qc6#
- 1...e5
- 2.Qc6#
- 1...Sc3
- 2.d3#
- 1...Sb4!
- threat
- 1.Bxe7?
- threat
- 2.Rc5#
- 1...dxe3
- 2.Rf4#
- 2.Qg4#
- 1...exf5
- 2.Qa6#
- 2.Qc6#
- 2.Qxg8#
- 1...e5
- 2.Qa6#
- 2.Qc6#
- 2.Qxg8#
- 1...c5
- 2.Rxc5#
- 1...Bxe7!
- threat
- 1.Rbb5?
- threat
- 2.Rfc5#
- 1...dxe3
- 2.Qg4#
- 1...exf5
- 2.Qc6#
- 1...e5
- 2.Qc6#
- 1...c5
- 2.Rfxc5#
- 1...Rf7
- 2.Qxe6#
- 1...Sb4!
- threat
- 1.Qe8?
- threat
- 2.Qb5#
- 2.Qc6#
- 1...Rxe8
- 2.Rc5#
- 1...Rd7
- 2.Rc5#
- 1...Sc3
- 2.Qc6#
- 2.d3#
- 1...Sb4
- 2.Qb5#
- 1...c5
- 2.Qb5#
- 1...c6
- 2.Qxc6#
- 1...dxe3!
- threat
- 1.Qxe6+?
- 1...Rxe6
- 2.Bd5#
- 2.Rc5#
- 1...Bxe6!
- 1...Rxe6
- 1.Qf6?
- threat
- 2.Qxd4#
- 1...dxe3
- 2.Qh4#
- 2.d3#
- 1...e5
- 2.Qc6#
- 1...Rd7
- 2.Rc5#
- 1...d3
- 2.Qd4#
- 2.Qh4#
- 1...c5!
- threat
- 1.Bd5+?
- Keys
- 1.Sd3!
- threat
- 2.Rc5#
- 1...Kxd3
- 2.Rc5#
- 1...dxe3
- 2.Rf4#
- 1...exf5
- 2.Qa6#
- 1...Rf7
- 2.Se5#
- 1...e5
- 2.Qa6#
- 1...c5
- 2.Se5#
- 2.Rxc5#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(f);::R1(G)
- R(f);N_GUARD,P_PINR(G),S_CUTB(h)::QAB(H),XP(d)
- S(a);SBLOCK::P(D)
- P(c);OGATEB,XP(F)::QAR(H)
- P(c);OGATEB::QAR(H)
- P(d);OGATE,XR(G)::QAR2(H)
- P(d);OGATE::QAR2(H)
- Tries
- Try
- B(E);CHECK
- Vars
- P(d);OGATE,XB(E)::QAR2(H)
- Refutation
- K(b);P-FLIGHT,P_SPINR(f)
- Try
- B(E);
- Threat
- B(E)
- Vars
- P(c);OGATEB,XP(F)::QAR(H)
- P(d);OGATE,XR(G)::QAR2(H)
- P(d);OGATE::QAR2(H)
- S(a);SBLOCK::P(D)
- Refutation
- S(a);
- Try
- B(I);XR(f)
- Threat
- R1(G)
- Vars
- P(e);::R1(G),XP(e)
- Refutation
- B(g);XB(I)
- Try
- R(C);
- Threat
- R1(G)
- Vars
- P(c);OGATEB,XP(F)::QAR(H)
- P(d);OGATE,XR(G)::QAR2(H)
- P(d);OGATE::QAR2(H)
- P(e);::R1(G),XP(e)
- R(f);N_GUARD,P_PINR(G),S_CUTB(h)::QAB(H),XP(d)
- Refutation
- S(a);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(f);XQ(H)::R1(G)
- R(f);::R1(G)
- S(a);::QAB1(H)
- P(e);::QAB1(H)
- P(e);::QAR2(H),XP(e)
- Refutation
- P(c);XP(F)
- Try
- Q(H);CHECK,XP(d)
- Refutation
- B(h);XQ(H)
- Try
- Q(H);
- Threat
- QAR1(H),XP(c)
- Vars
- P(d);OGATE::QAR2(H)
- R(f);::R1(G)
- Refutation
- P(e);
- Try
- Actual
- S(A);
- Threat
- R1(G)
- Vars
- K(b);S_FLIGHT,XS(A)::QAB(H)+R(G)
- P(c);OGATEB,XP(F)::R(G)
- P(d);OGATE,XR(G)::QAB(H)
- R(f);P_PINR(G)::S(A)
- P(d);OGATE::QAB(H)
Developed and maintained by Brian Stephenson.
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