MESON Chess Problem Database
Problem Display
PID: 99792 (2K3Q1/2P1kBnp/7b/1N4p1/5pN1/4p3/3nP2B/3R4 w - - 0 1)
Schiffert, Gyorgy
Magyar Sakkszovetseg, 1979
#2
9 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Rd7#
- 1...Sf1
- 2.Rd7#
- 1...Sb3
- 2.Rd7#
- 1...Sf3
- 2.Rd7#
- 1...Sc4
- 2.Rd7#
- 1...Se4
- 2.Rd7#
- 1...Sf5
- 2.Qe8#
- 1...Sh5
- 2.Qe8#
- 1...Se6
- 2.Qe8#
- 1...Se8
- 2.Qxe8#
- 1...f3
- 2.Bd6#
- 1...Sb1
- Tries
- 1.Kb7?
- 1...Kd7
- 2.Qd8#
- 1...Sb1
- 2.c8S#
- 1...Sf1
- 2.c8S#
- 1...Sb3
- 2.c8S#
- 1...Sf3
- 2.c8S#
- 1...Sc4
- 2.c8S#
- 1...Se4
- 2.c8S#
- 1...Sf5
- 2.Qe8#
- 1...Sh5
- 2.Qe8#
- 1...Se6
- 2.Qe8#
- 1...Se8
- 2.Qxe8#
- 1...f3!
- 1...Kd7
- 1.Sd6?
- threat
- 2.Qd8#
- 1...Se6
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...Kxd6!
- threat
- 1.Bg1?
- 1...Sb1
- 2.Rd7#
- 1...Sf1
- 2.Rd7#
- 1...Sb3
- 2.Rd7#
- 1...Sf3
- 2.Rd7#
- 1...Sc4
- 2.Rd7#
- 1...Se4
- 2.Rd7#
- 1...Sf5
- 2.Qe8#
- 1...Sh5
- 2.Qe8#
- 1...Se6
- 2.Qe8#
- 1...Se8
- 2.Qxe8#
- 1...f3!
- 1...Sb1
- 1.Bg3?
- 1...f3
- 2.Bd6#
- 1...Sb1
- 2.Rd7#
- 1...Sf1
- 2.Rd7#
- 1...Sb3
- 2.Rd7#
- 1...Sf3
- 2.Rd7#
- 1...Sc4
- 2.Rd7#
- 1...Se4
- 2.Rd7#
- 1...Sf5
- 2.Qe8#
- 1...Sh5
- 2.Qe8#
- 1...Se6
- 2.Qe8#
- 1...Se8
- 2.Qxe8#
- 1...fxg3!
- 1...f3
- 1.Bxf4?
- threat
- 2.Bd6#
- 1...Sc4
- 2.Rd7#
- 1...Se4
- 2.Rd7#
- 1...Sf5
- 2.Qe8#
- 1...Se8
- 2.Qxe8#
- 1...gxf4!
- threat
- 1.Ba2?
- threat
- 2.Qf7#
- 2.Qd8#
- 1...Sb3
- 2.Rd7#
- 1...Sc4
- 2.Rd7#
- 1...Se8
- 2.Qf7#
- 1...Se6!
- threat
- 1.Bb3?
- threat
- 2.Qf7#
- 2.Qd8#
- 1...Sxb3
- 2.Rd7#
- 1...Sc4
- 2.Rd7#
- 1...Se8
- 2.Qf7#
- 1...Se6!
- threat
- 1.Bc4?
- threat
- 2.Qf7#
- 2.Qd8#
- 1...Sxc4
- 2.Rd7#
- 1...Se8
- 2.Qf7#
- 1...Se6!
- threat
- 1.Bd5?
- threat
- 2.Qf7#
- 2.Qd8#
- 1...Se8
- 2.Qf7#
- 1...Se6!
- threat
- 1.Qxg7?
- 1...Sb1
- 2.Rd7#
- 1...Sf1
- 2.Rd7#
- 1...Sb3
- 2.Rd7#
- 1...Sf3
- 2.Rd7#
- 1...Sc4
- 2.Rd7#
- 1...Se4
- 2.Rd7#
- 1...f3
- 2.Bd6#
- 1...Bxg7!
- 1...Sb1
- 1.Kb7?
- Keys
- 1.Sd4!
- 1...Kd6
- 2.Qf8#
- 1...f3
- 2.Sc6#
- 1...Sb1
- 2.Sc6#
- 1...Sf1
- 2.Sc6#
- 1...Sb3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Se4
- 2.Sc6#
- 1...Sf5
- 2.Sxf5#
- 1...Sh5
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...Kd6
- 1.Sd4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);OGATE::R1(A)
- S(g);N_GUARD::QAR1(I)
- S(g);N_GUARD::QAR1(I),XS(g)
- P(c);OGATE::B(C)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- K(f);P-FLIGHT,P_SPINS(a)::QAR1(I)
- S(a);::P=S
- S(g);N_GUARD::QAR1(I)
- S(g);N_GUARD::QAR1(I),XS(g)
- Refutation
- P(c);
- Try
- S(E);
- Threat
- QAB1(I)
- Vars
- S(g);N_GUARD::S(E)
- Refutation
- K(f);P_SPINP(c),P_SPINS(a),S_FLIGHT,XS(E)
- Try
- B(C);
- Vars
- S(a);OGATE::R1(A)
- S(g);N_GUARD::QAR1(I)
- S(g);N_GUARD::QAR1(I),XS(g)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- P(c);OGATE::B(C)
- S(a);OGATE::R1(A)
- S(g);N_GUARD::QAR1(I)
- S(g);N_GUARD::QAR1(I),XS(g)
- Refutation
- P(c);XB(C)
- Try
- B(C);XP(c)
- Threat
- B(C)
- Vars
- S(a);OGATE::R1(A)
- S(g);N_GUARD::QAR1(I)
- S(g);N_GUARD::QAR1(I),XS(g)
- Refutation
- P(d);XB(C)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(a);OGATE::R1(A)
- S(g);::QAR1(I)
- Refutation
- S(g);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(a);OGATE,XB(G)::R1(A)
- S(a);OGATE::R1(A)
- S(g);::QAR1(I)
- Refutation
- S(g);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(a);OGATE,XB(G)::R1(A)
- S(g);::QAR1(I)
- Refutation
- S(g);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(g);::QAR1(I)
- Refutation
- S(g);
- Try
- Q(I);XS(g)
- Vars
- S(a);OGATE::R1(A)
- P(c);OGATE::B(C)
- Refutation
- B(e);XQ(I)
- Try
- Actual
- S(E);
- Vars
- K(f);P_SPINP(c),S_FLIGHT::QAB(I)
- P(c);::S(E)
- S(a);::S(E)
- S(g);N_GUARD::S(E),XS(g)
- S(g);N_GUARD::S(E)
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