MESON Chess Problem Database
Problem Display
PID: 234888 (5q1b/6QB/3B1p2/2R5/1p1kN3/1P6/2P2P2/2K5 w - - 0 1)
Haring, Jacobus
1st HM., Deutsche Schachzeitung, 1956
#2
9 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Sc3?
- threat
- 2.Se2#
- 2.Sb5#
- 2.Rc4#
- 2.Qg4#
- 1...Qxg7
- 2.Se2#
- 2.Sb5#
- 2.Rc4#
- 1...Bxg7
- 2.Se2#
- 2.Sb5#
- 2.Rc4#
- 1...bxc3
- 2.Qg4#
- 1...Qe7
- 2.Sb5#
- 2.Rc4#
- 1...Qf7
- 2.Se2#
- 2.Sb5#
- 2.Qg4#
- 1...Qa8
- 2.Se2#
- 2.Sb5#
- 2.Rc4#
- 1...Qb8
- 2.Se2#
- 2.Rc4#
- 2.Qg4#
- 1...Qc8
- 2.Se2#
- 2.Sb5#
- 1...Qe8
- 2.Rc4#
- 1...Qg8
- 2.Se2#
- 2.Sb5#
- 1...Qxd6!
- threat
- 1.Sg5?
- threat
- 2.Sf3#
- 2.Se6#
- 1...Qe7
- 2.Sf3#
- 1...Qf7
- 2.Sf3#
- 1...Qa8
- 2.Se6#
- 1...Qc8
- 2.Sf3#
- 1...Qe8
- 2.Sf3#
- 1...Qg8
- 2.Sf3#
- 1...Qxd6!
- threat
- 1.Qh6?
- threat
- 2.Qd2#
- 2.Qe3#
- 1...f5
- 2.Qe3#
- 1...Qxh6+!
- threat
- 1.Qg4?
- threat
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sg5#
- 2.Sxf6#
- 2.Qd1#
- 1...Qh6+
- 2.Sg5#
- 1...Qxd6
- 2.Qd1#
- 1...Qe7
- 2.Qd1#
- 1...Qg7
- 2.Sg5#
- 2.Qd1#
- 1...Qa8
- 2.Qd1#
- 1...Qc8
- 2.Qd1#
- 1...Qe8
- 2.Qd1#
- 1...Qg8
- 2.Sg5#
- 2.Qd1#
- 1...f5!
- threat
- 1.Qg5?
- threat
- 2.Rc4#
- 2.Rd5#
- 2.Qd2#
- 2.Qe3#
- 2.Qd5#
- 1...Qxd6
- 2.Rc4#
- 2.Qd2#
- 2.Qe3#
- 1...f5
- 2.Qe3#
- 1...Qh6
- 2.Rc4#
- 2.Rd5#
- 1...Qf7
- 2.Qd2#
- 2.Qe3#
- 1...Qa8
- 2.Rc4#
- 2.Qd2#
- 2.Qe3#
- 1...Qc8
- 2.Rd5#
- 2.Qd2#
- 2.Qe3#
- 2.Qd5#
- 1...Qg8
- 2.Qd2#
- 2.Qe3#
- 1...fxg5!
- threat
- 1.Qa7?
- threat
- 2.Ra5#
- 2.Rb5#
- 2.Re5#
- 2.Rg5#
- 2.Rh5#
- 2.Qa1#
- 1...Qh6+
- 2.Rg5#
- 1...Qxd6
- 2.Qa1#
- 1...f5
- 2.Re5#
- 1...Qe7
- 2.Qa1#
- 1...Qg7
- 2.Qa1#
- 1...Qf7
- 2.Qa1#
- 1...Qb8
- 2.Qa1#
- 1...Qc8
- 2.Qa1#
- 1...Qd8
- 2.Qa1#
- 1...Qa8!
- threat
- 1.Qd7?
- threat
- 2.Be5#
- 2.Be7#
- 2.Bxf8#
- 1...Qh6+
- 2.Bf4#
- 1...Qxd6
- 2.Qxd6#
- 1...Qa8
- 2.Be5#
- 1...Qe7
- 2.Be5#
- 2.Bxe7#
- 1...Qg7
- 2.Be5#
- 2.Be7#
- 1...Qf7
- 2.Be5#
- 1...Qb8
- 2.Be5#
- 2.Bc7#
- 2.Bxb8#
- 1...Qc8
- 2.Be5#
- 1...Qd8
- 2.Be5#
- 1...Qe8
- 2.Be5#
- 1...Qg8
- 2.Be5#
- 1...f5!
- threat
- 1.Sc3?
- Keys
- 1.Qg1!
- threat
- 2.Qd1#
- 2.f3#
- 2.f4#
- 1...Qh6+
- 2.f4#
- 1...f5
- 2.f3#
- 1...Qg7
- 2.Qd1#
- 1...Qg8
- 2.Qd1#
- threat
- 1.Qg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(E);
- Threat
- DUALS(4)
- Vars
- P(a);XS(E)::QAR(H)
- Q(d);::R1(F)
- Refutation
- Q(d);XB(G)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(d);::S(E)
- Refutation
- Q(d);XB(G)
- Try
- Q(H);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(H)
- Refutation
- Q(d);CHECK,XQ(H)
- Try
- Q(H);N_PINP(c)
- Threat
- DUALS(6)
- Vars
- Q(d);CHECK::QAR(H)+S(E)
- Q(d);XB(G)::QAR(H)
- Q(d);::QAR(H)
- Refutation
- P(c);
- Try
- Q(H);N_PINP(c)
- Threat
- DUALS(5)
- Vars
- P(c);::QAB1(H)
- Refutation
- P(c);XQ(H)
- Try
- Q(H);N_PINP(c)
- Threat
- DUALS(6)
- Vars
- Q(d);CHECK::QAB(H)+R(F)
- Q(d);XB(G)::QAB(H)
- P(c);::QAB(H)+R(F)
- Q(d);::QAB(H)
- Refutation
- Q(d);
- Try
- Q(H);N_PINP(c)
- Threat
- DUALS(3)
- Vars
- Q(d);CHECK,N_GUARD::QAR(H)+B(G)
- Q(d);OGATE,P_SPINQ(d),XB(G)::QAR2(H),XQ(d)
- Q(d);::QAR(H)+B(G),DCHECK
- Refutation
- P(c);
- Try
- Actual
- Q(H);N_PINP(c)
- Threat
- DUALS(3)
- Vars
- Q(d);CHECK::QAB(H)+P(C)
- P(c);::QAB(H)+P(C)
- Q(d);::QAR(H)
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