MESON Chess Problem Database
Problem Display
PID: 60749 (3RR3/5p2/p1K1bP2/B2p1PN1/2BP4/1P2kP2/4p2p/2N1Q1br w - - 0 1)
Valuska, Jan
1st Prize, Revista de Sah, 1969
#2
13 + 9
| 3751 | FIDE Album (1968-1970) | 1977 |
| 17177 | Kompozicny Sach na Slovensku (Formanek) | 1984 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Qc3#
- 1...Bf2
- 2.Qd2#
- 1...dxc4
- 2.Bd2#
- 1...Kxd4
- Tries
- 1.Kb6?
- 1...Kxd4
- 2.Qc3#
- 1...dxc4
- 2.Bd2#
- 1...Bf2
- 2.Qd2#
- 1...Kf4!
- 1...Kxd4
- 1.Sh3?
- threat
- 2.Qc3#
- 1...Kxd4
- 2.Qc3#
- 1...Kxf3!
- threat
- 1.Bxe2?
- 1...Kxd4
- 2.Qc3#
- 1...Bf2
- 2.Qd2#
- 1...Kf4!
- 1...Kxd4
- 1.Bxd5?
- 1...Kxd4
- 2.Qc3#
- 1...Bf2
- 2.Qd2#
- 1...Kf4!
- 1...Kxd4
- 1.Bxa6?
- 1...Kxd4
- 2.Qc3#
- 1...Bf2
- 2.Qd2#
- 1...Kf4!
- 1...Kxd4
- 1.Bc7?
- 1...Kxd4
- 2.Qd2#
- 1...dxc4
- 2.Qxe2#
- 1...Bf2
- 2.Qc3#
- 1...a5!
- 1...Kxd4
- 1.Rd6?
- 1...Kxd4
- 2.Qc3#
- 1...dxc4
- 2.Bd2#
- 1...Bf2
- 2.Qd2#
- 1...Kf4!
- 1...Kxd4
- 1.Rd7?
- 1...Kxd4
- 2.Qc3#
- 1...dxc4
- 2.Bd2#
- 1...Bf2
- 2.Qd2#
- 1...Kf4!
- 1...Kxd4
- 1.Re7?
- 1...Kxd4
- 2.Qc3#
- 1...dxc4
- 2.Bd2#
- 1...Bf2
- 2.Qd2#
- 1...Kf4!
- 1...Kxd4
- 1.Qxe2+?
- 1...Kxd4
- 2.Qe4#
- 1...Kf4!
- 1...Kxd4
- 1.f4?
- 1...Kxd4
- 2.Bb6#
- 2.Qd2#
- 2.Qc3#
- 1...dxc4
- 2.Bd2#
- 2.Qg3#
- 1...Bf2
- 2.Qd2#
- 1...Kxf4!
- 1...Kxd4
- 1.Kb6?
- Keys
- 1.Sd3!
- 1...Kxd4
- 2.Bb6#
- 1...dxc4
- 2.Qd2#
- 1...Bf2
- 2.Qxf2#
- 1...Kxd4
- 1.Sd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(e);N_SPINB(h),N_SPINP(c),P_SPINP(f),S_FLIGHT,XP(F)::QAB1(B)
- B(a);SBLOCK::QAB1(B)
- P(f);XB(E)::B(G)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- K(e);N_SPINB(h),N_SPINP(c),P_SPINP(f),S_FLIGHT,XP(F)::QAB1(B)
- P(f);XB(E)::B(G)
- B(a);SBLOCK::QAB1(B)
- Refutation
- K(e);N_SPINB(h),N_SPINP(c),P_PINP(F),S_FLIGHT
- Try
- S(I);
- Threat
- QAR2(B)
- Vars
- K(e);N_SPINB(h),N_SPINP(c),P_SPINP(f),S_FLIGHT,XP(F)::QAB1(B)
- Refutation
- K(e);N_SPINB(h),N_SPINP(c),P-FLIGHT,XP(D)
- Try
- B(E);XP(c)
- Vars
- K(e);N_SPINB(h),P_SPINP(f),S_FLIGHT,XP(F)::QAB1(B)
- B(a);SBLOCK::QAB1(B)
- Refutation
- K(e);N_SPINB(h),S_FLIGHT
- Try
- B(E);XP(f)
- Vars
- K(e);N_SPINB(h),N_SPINP(c),S_FLIGHT,XP(F)::QAB1(B)
- B(a);SBLOCK::QAB1(B)
- Refutation
- K(e);N_SPINB(h),N_SPINP(c),S_FLIGHT
- Try
- B(E);XP(g)
- Vars
- K(e);N_SPINB(h),N_SPINP(c),P_SPINP(f),S_FLIGHT,XP(F)::QAB1(B)
- B(a);SBLOCK::QAB1(B)
- Refutation
- K(e);N_SPINB(h),N_SPINP(c),S_FLIGHT
- Try
- B(G);
- Vars
- K(e);N_SPINB(h),N_SPINP(c),P_SPINP(f),S_FLIGHT,XP(F)::QAR2(B)
- P(f);XB(E)::QAR1(B),XP(c)
- B(a);SBLOCK::QAR2(B)
- Refutation
- P(g);
- Try
- R(L);
- Vars
- K(e);N_SPINB(h),N_SPINP(c),P_SPINP(f),S_FLIGHT,XP(F)::QAB1(B)
- P(f);XB(E)::B(G)
- B(a);SBLOCK::QAB1(B)
- Refutation
- K(e);N_SPINB(h),N_SPINP(c),S_FLIGHT
- Try
- R(L);
- Vars
- K(e);N_SPINB(h),N_SPINP(c),P_SPINP(f),S_FLIGHT,XP(F)::QAB1(B)
- P(f);XB(E)::B(G)
- B(a);SBLOCK::QAB1(B)
- Refutation
- K(e);N_SPINB(h),N_SPINP(c),S_FLIGHT
- Try
- R(M);
- Vars
- K(e);N_SPINB(h),N_SPINP(c),P_SPINP(f),S_FLIGHT,XP(F)::QAB1(B)
- P(f);XB(E)::B(G)
- B(a);SBLOCK::QAB1(B)
- Refutation
- K(e);N_SPINB(h),N_SPINP(c),S_FLIGHT
- Try
- Q(B);CHECK,XP(c)
- Vars
- K(e);N_SPINB(h),OGATE,P_SPINP(f),S_FLIGHT,XP(F)::QAR1(B)
- Refutation
- K(e);N_SPINB(h),S_FLIGHT
- Try
- P(D);
- Vars
- B(a);SBLOCK::QAB1(B)
- Refutation
- K(e);N_SPINB(h),N_SPINP(c),S_FLIGHT,XP(D)
- Try
- Actual
- S(A);
- Vars
- K(e);N_SPINB(h),N_SPINP(c),OGATEB,P_SPINP(f),S_FLIGHT,XP(F)::B(G)
- P(f);XB(E)::QAB1(B)
- B(a);N_GUARD::QAB1(B),XB(a)
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