MESON Chess Problem Database
Problem Display
PID: 92256 (8/1N4K1/r2p4/3k4/1R1N1Q2/3b4/3n4/B2R4 w - - 0 1)
Molnar, Henrik
Szabo, Istvan
Schach, 1967
#2
7 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Qf5#
- 1...Be2
- 2.Qf5#
- 1...Bc4
- 2.Qf5#
- 1...Bb5
- 2.Qf5#
- 1...Bf5
- 2.Qxf5#
- 1...Sc4
- 2.Rb5#
- 1...Se4
- 2.Qf5#
- 1...Bf1
- Tries
- 1.Sc2?
- 1...Kc6
- 2.Qxd6#
- 1...Ke6
- 2.Qf7#
- 1...Rxa1
- 2.Qxd6#
- 1...Bxc2
- 2.Qc4#
- 1...Ra2
- 2.Qxd6#
- 1...Ra3
- 2.Qxd6#
- 1...Ra4
- 2.Qxd6#
- 1...Ra5
- 2.Qxd6#
- 1...Rc6
- 2.Qf7#
- 1...Ra7
- 2.Qxd6#
- 1...Ra8
- 2.Qxd6#
- 1...Bf1
- 2.Qe4#
- 1...Be2
- 2.Qe4#
- 1...Bc4
- 2.Qxc4#
- 1...Be4
- 2.Qxe4#
- 1...Bb5
- 2.Qe4#
- 1...Bf5
- 2.Qc4#
- 1...Bg6
- 2.Qc4#
- 1...Bh7
- 2.Qc4#
- 1...Sb1
- 2.Qc4#
- 2.Qe4#
- 1...Sf1
- 2.Qc4#
- 2.Qe4#
- 1...Sb3
- 2.Qc4#
- 2.Qe4#
- 1...Sf3
- 2.Qc4#
- 2.Qe4#
- 1...Sc4
- 2.Qxc4#
- 1...Se4
- 2.Qxe4#
- 1...Rb6!
- 1...Kc6
- 1.Se2?
- 1...Kc6
- 2.Qxd6#
- 1...Ke6
- 2.Qf7#
- 1...Rxa1
- 2.Qxd6#
- 1...Bxe2
- 2.Qe4#
- 1...Ra2
- 2.Qxd6#
- 1...Ra3
- 2.Qxd6#
- 1...Ra4
- 2.Qxd6#
- 1...Ra5
- 2.Qxd6#
- 1...Rc6
- 2.Qf7#
- 1...Ra7
- 2.Qxd6#
- 1...Ra8
- 2.Qxd6#
- 1...Bb1
- 2.Qc4#
- 1...Bc2
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Be4
- 2.Qxe4#
- 1...Bb5
- 2.Qe4#
- 1...Bf5
- 2.Qc4#
- 1...Bg6
- 2.Qc4#
- 1...Bh7
- 2.Qc4#
- 1...Sb1
- 2.Qc4#
- 2.Qe4#
- 1...Sf1
- 2.Qc4#
- 2.Qe4#
- 1...Sb3
- 2.Qc4#
- 2.Qe4#
- 1...Sf3
- 2.Qc4#
- 2.Qe4#
- 1...Sc4
- 2.Qxc4#
- 1...Se4
- 2.Qxe4#
- 1...Rb6!
- 1...Kc6
- 1.Sb3?
- 1...Kc6
- 2.Qxd6#
- 1...Ke6
- 2.Qf7#
- 1...Rxa1
- 2.Qxd6#
- 1...Sxb3
- 2.Qc4#
- 2.Qe4#
- 1...Ra2
- 2.Qxd6#
- 1...Ra3
- 2.Qxd6#
- 1...Ra4
- 2.Qxd6#
- 1...Ra5
- 2.Qxd6#
- 1...Rc6
- 2.Qf7#
- 1...Ra7
- 2.Qxd6#
- 1...Ra8
- 2.Qxd6#
- 1...Bb1
- 2.Qc4#
- 1...Bf1
- 2.Qe4#
- 1...Bc2
- 2.Qc4#
- 1...Be2
- 2.Qe4#
- 1...Bc4
- 2.Qxc4#
- 1...Be4
- 2.Qxe4#
- 1...Bb5
- 2.Qe4#
- 1...Bf5
- 2.Qc4#
- 1...Bg6
- 2.Qc4#
- 1...Bh7
- 2.Qc4#
- 1...Sb1
- 2.Qc4#
- 2.Qe4#
- 1...Sf1
- 2.Qc4#
- 2.Qe4#
- 1...Sf3
- 2.Qc4#
- 2.Qe4#
- 1...Sc4
- 2.Qxc4#
- 1...Se4
- 2.Qxe4#
- 1...Rb6!
- 1...Kc6
- 1.Sf3?
- 1...Kc6
- 2.Qxd6#
- 1...Ke6
- 2.Qf7#
- 1...Rxa1
- 2.Qxd6#
- 1...Sxf3
- 2.Qc4#
- 2.Qe4#
- 1...Ra2
- 2.Qxd6#
- 1...Ra3
- 2.Qxd6#
- 1...Ra4
- 2.Qxd6#
- 1...Ra5
- 2.Qxd6#
- 1...Rc6
- 2.Qf7#
- 1...Ra7
- 2.Qxd6#
- 1...Ra8
- 2.Qxd6#
- 1...Bb1
- 2.Qc4#
- 1...Bf1
- 2.Qe4#
- 1...Bc2
- 2.Qc4#
- 1...Be2
- 2.Qe4#
- 1...Bc4
- 2.Qxc4#
- 1...Be4
- 2.Qxe4#
- 1...Bb5
- 2.Qe4#
- 1...Bf5
- 2.Qc4#
- 1...Bg6
- 2.Qc4#
- 1...Bh7
- 2.Qc4#
- 1...Sb1
- 2.Qc4#
- 2.Qe4#
- 1...Sf1
- 2.Qc4#
- 2.Qe4#
- 1...Sb3
- 2.Qc4#
- 2.Qe4#
- 1...Sc4
- 2.Qxc4#
- 1...Se4
- 2.Qxe4#
- 1...Rb6!
- 1...Kc6
- 1.Qg5+?
- 1...Bf5
- 2.Qxf5#
- 1...Ke4!
- 1...Bf5
- 1.Qg4?
- threat
- 2.Qe6#
- 1...Bf5
- 2.Qxf5#
- 1...Ke5!
- threat
- 1.Qf6?
- threat
- 2.Qe6#
- 1...Bf5
- 2.Qxf5#
- 1...Ke4!
- threat
- 1.Qf7+?
- 1...Ke5
- 2.Sf3#
- 2.Sc6#
- 1...Ke4!
- 1...Ke5
- 1.Sc2?
- Keys
- 1.Sc6!
- threat
- 2.Qxd6#
- 1...Kxc6
- 2.Qxd6#
- 1...Ke6
- 2.Qf7#
- 1...Rxc6
- 2.Qf7#
- 1...Bc4
- 2.Qxc4#
- 1...Sc4
- 2.Qxc4#
- 1...Se4
- 2.Qxe4#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- B(b);N_GUARD::QAR2(E)
- B(b);N_GUARD::QAR2(E),XB(b)
- S(a);SBLOCK,S_CUTB(b)::R(C)
- S(a);S_CUTB(b)::QAR2(E)
- Tries
- Try
- S(D);
- Vars
- K(c);S_FLIGHT::QAR1(E),XP(e)
- K(c);S_FLIGHT::QAB1(E)
- R(d);N_GUARD,XB(A)::QAR1(E),XP(e)
- B(b);N_GUARD,P_SPINS(a),XS(D)::QAB1(E)
- R(d);N_GUARD::QAR1(E),XP(e)
- R(d);SBLOCK::QAB(E)
- R(d);N_GUARD,P_PINS(F)::QAR1(E),XP(e)
- B(b);N_GUARD,P_SPINS(a)::QAB1(E)
- B(b);N_GUARD,P_SPINS(a)::QAB1(E),XB(b)
- S(a);N_GUARD,P_SPINB(b)::QAB1(E),XS(a)
- Refutation
- R(d);
- Try
- S(D);
- Vars
- K(c);S_FLIGHT::QAR1(E),XP(e)
- K(c);S_FLIGHT::QAB1(E)
- R(d);N_GUARD,XB(A)::QAR1(E),XP(e)
- B(b);N_GUARD,P_SPINS(a),XS(D)::QAB1(E)
- R(d);N_GUARD::QAR1(E),XP(e)
- R(d);SBLOCK::QAB(E)
- R(d);N_GUARD,P_PINS(F)::QAR1(E),XP(e)
- B(b);N_GUARD,P_SPINS(a)::QAB1(E)
- B(b);N_GUARD,P_SPINS(a)::QAB1(E),XB(b)
- S(a);N_GUARD,P_SPINB(b)::QAB1(E),XS(a)
- Refutation
- R(d);
- Try
- S(D);
- Vars
- K(c);S_FLIGHT::QAR1(E),XP(e)
- K(c);S_FLIGHT::QAB1(E)
- R(d);N_GUARD,XB(A)::QAR1(E),XP(e)
- R(d);N_GUARD::QAR1(E),XP(e)
- R(d);SBLOCK::QAB(E)
- R(d);N_GUARD,P_PINS(F)::QAR1(E),XP(e)
- B(b);N_GUARD,P_SPINS(a)::QAB1(E)
- B(b);N_GUARD,P_SPINS(a)::QAB1(E),XB(b)
- S(a);N_GUARD,P_SPINB(b)::QAB1(E),XS(a)
- Refutation
- R(d);
- Try
- S(D);
- Vars
- K(c);S_FLIGHT::QAR1(E),XP(e)
- K(c);S_FLIGHT::QAB1(E)
- R(d);N_GUARD,XB(A)::QAR1(E),XP(e)
- R(d);N_GUARD::QAR1(E),XP(e)
- R(d);SBLOCK::QAB(E)
- R(d);N_GUARD,P_PINS(F)::QAR1(E),XP(e)
- B(b);N_GUARD,P_SPINS(a)::QAB1(E)
- B(b);N_GUARD,P_SPINS(a)::QAB1(E),XB(b)
- S(a);N_GUARD,P_SPINB(b)::QAB1(E),XS(a)
- Refutation
- R(d);
- Try
- Q(E);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAR2(E),XB(b)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- B(b);N_GUARD::QAR2(E),XB(b)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- B(b);N_GUARD::QAR2(E),XB(b)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(E);CHECK
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- S(D);
- Threat
- QAR1(E),XP(e)
- Vars
- K(c);S_FLIGHT,XS(D)::QAR1(E),XP(e)
- K(c);S_FLIGHT::QAB1(E)
- R(d);SBLOCK,XS(D)::QAB(E)
- B(b);N_GUARD,P_SPINS(a)::QAB1(E),XB(b)
- S(a);N_GUARD,P_SPINB(b)::QAB1(E),XS(a)
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