MESON Chess Problem Database
Problem Display
PID: 60289 (2bN2K1/1p6/1ppp4/bPkppQ2/1Rp5/2B1P3/3N4/7B w - - 0 1)
Valuska, Jan
1st HM., L'Italia Scacchistica, 1969
#2
9 + 10
| 3751 | FIDE Album (1968-1970) | 1977 |
SOLUTION
- SOUND
- Sets
- 1...Bxf5
- 2.Sxb7#
- 1...Be6+
- 2.Sxe6#
- 1...Bd7
- 2.Sxb7#
- 1...d4
- 2.exd4#
- 1...e4
- 2.Sxe4#
- 1...cxb5
- 2.Qxc8#
- 1...Bxf5
- Tries
- 1.Kf7?
- 1...Be6+
- 2.Sxe6#
- 1...Bxf5
- 2.Sxb7#
- 1...cxb5
- 2.Qxc8#
- 1...Bd7
- 2.Sxb7#
- 1...d4
- 2.exd4#
- 1...e4
- 2.Sxe4#
- 1...Bxb4!
- 1...Be6+
- 1.Kg7?
- 1...Bxf5
- 2.Sxb7#
- 1...cxb5
- 2.Qxc8#
- 1...Be6
- 2.Sxe6#
- 2.Sxb7#
- 1...Bd7
- 2.Sxb7#
- 1...d4
- 2.exd4#
- 1...e4
- 2.Sxe4#
- 1...Bxb4!
- 1...Bxf5
- 1.Kf8?
- 1...Bxf5
- 2.Sxb7#
- 1...cxb5
- 2.Qxc8#
- 1...Be6
- 2.Sxe6#
- 2.Sxb7#
- 1...Bd7
- 2.Sxb7#
- 1...d4
- 2.exd4#
- 1...e4
- 2.Sxe4#
- 1...Bxb4!
- 1...Bxf5
- 1.Kh8?
- 1...Bxf5
- 2.Sxb7#
- 1...cxb5
- 2.Qxc8#
- 1...Be6
- 2.Sxe6#
- 2.Sxb7#
- 1...Bd7
- 2.Sxb7#
- 1...d4
- 2.exd4#
- 1...e4
- 2.Sxe4#
- 1...Bxb4!
- 1...Bxf5
- 1.Bg2?
- 1...Be6+
- 2.Sxe6#
- 1...Bxf5
- 2.Sxb7#
- 1...cxb5
- 2.Qxc8#
- 1...e4
- 2.Sxe4#
- 1...Bd7
- 2.Sxb7#
- 1...d4
- 2.exd4#
- 1...Bxb4!
- 1...Be6+
- 1.Bf3?
- 1...Be6+
- 2.Sxe6#
- 1...Bxf5
- 2.Sxb7#
- 1...cxb5
- 2.Qxc8#
- 1...e4
- 2.Sxe4#
- 1...Bd7
- 2.Sxb7#
- 1...d4
- 2.exd4#
- 1...Bxb4!
- 1...Be6+
- 1.Qd3?
- 1...Be6+
- 2.Sxe6#
- 1...cxd3
- 2.Sb3#
- 1...cxb5
- 2.Qxd5#
- 1...e4
- 2.Qd4#
- 1...Bh3
- 2.Sxb7#
- 1...Bg4
- 2.Sxb7#
- 1...Bf5
- 2.Sxb7#
- 1...Bd7
- 2.Sxb7#
- 1...d4
- 2.Qxc4#
- 1...Bxb4!
- 1...Be6+
- 1.Qd7?
- threat
- 2.Se6#
- 1...Bxd7
- 2.Sxb7#
- 1...Bxb4!
- threat
- 1.Kf7?
- Keys
- 1.Qb1!
- 1...Be6+
- 2.Sxe6#
- 1...Bxb4
- 2.Qxb4#
- 1...cxb5
- 2.Rxb5#
- 1...e4
- 2.Bd4#
- 1...Bh3
- 2.Sxb7#
- 1...Bg4
- 2.Sxb7#
- 1...Bf5
- 2.Sxb7#
- 1...Bd7
- 2.Sxb7#
- 1...d4
- 2.Rxc4#
- 1...Be6+
- 1.Qb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(j);N_GUARD,XQ(G)::S(H),XP(i)
- B(j);CHECK,N_GUARD::S(H),XB(j)
- B(j);N_GUARD::S(H),XP(i)
- P(d);OGATE,P_SPINP(e)::P(D),XP(d)
- P(e);P_SPINP(d)::S(B),XP(e)
- P(g);OGATEB,XP(F)::QAR(G),XB(j)
- Tries
- Try
- K(I);S_FLIGHT
- Vars
- B(j);CHECK,N_GUARD::S(H),XB(j)
- B(j);N_GUARD,XQ(G)::S(H),XP(i)
- P(g);OGATEB,XP(F)::QAR(G),XB(j)
- B(j);N_GUARD::S(H),XP(i)
- P(d);OGATE,P_SPINP(e)::P(D),XP(d)
- P(e);P_SPINP(d)::S(B),XP(e)
- Refutation
- B(b);XR(E)
- Try
- K(I);P-FLIGHT
- Vars
- B(j);N_GUARD,XQ(G)::S(H),XP(i)
- P(g);OGATEB,XP(F)::QAR(G),XB(j)
- B(j);N_GUARD::S(H),XP(i)
- P(d);OGATE,P_SPINP(e)::P(D),XP(d)
- P(e);P_SPINP(d)::S(B),XP(e)
- Refutation
- B(b);XR(E)
- Try
- K(I);P-FLIGHT
- Vars
- B(j);N_GUARD,XQ(G)::S(H),XP(i)
- P(g);OGATEB,XP(F)::QAR(G),XB(j)
- B(j);N_GUARD::S(H),XP(i)
- P(d);OGATE,P_SPINP(e)::P(D),XP(d)
- P(e);P_SPINP(d)::S(B),XP(e)
- Refutation
- B(b);XR(E)
- Try
- K(I);P-FLIGHT
- Vars
- B(j);N_GUARD,XQ(G)::S(H),XP(i)
- P(g);OGATEB,XP(F)::QAR(G),XB(j)
- B(j);N_GUARD::S(H),XP(i)
- P(d);OGATE,P_SPINP(e)::P(D),XP(d)
- P(e);P_SPINP(d)::S(B),XP(e)
- Refutation
- B(b);XR(E)
- Try
- B(A);
- Vars
- B(j);CHECK,N_GUARD::S(H),XB(j)
- B(j);N_GUARD,XQ(G)::S(H),XP(i)
- P(g);OGATEB,XP(F)::QAR(G),XB(j)
- P(e);P_SPINP(d)::S(B),XP(e)
- B(j);N_GUARD::S(H),XP(i)
- P(d);OGATE,P_SPINP(e)::P(D),XP(d)
- Refutation
- B(b);XR(E)
- Try
- B(A);
- Vars
- B(j);CHECK,N_GUARD::S(H),XB(j)
- B(j);N_GUARD,XQ(G)::S(H),XP(i)
- P(g);OGATEB,XP(F)::QAR(G),XB(j)
- P(e);P_SPINP(d)::S(B),XP(e)
- B(j);N_GUARD::S(H),XP(i)
- P(d);OGATE,P_SPINP(e)::P(D),XP(d)
- Refutation
- B(b);XR(E)
- Try
- Q(G);
- Vars
- B(j);CHECK,N_GUARD::S(H),XB(j)
- P(a);N_GUARD,XQ(G)::S(B)
- P(g);N_GUARD,XP(F)::QAR1(G),XP(d)
- P(e);N_GUARD::QAB1(G)
- B(j);N_GUARD::S(H),XP(i)
- P(d);N_GUARD::QAR1(G),XP(a)
- Refutation
- B(b);XR(E)
- Try
- Q(G);
- Threat
- S(H)
- Vars
- B(j);N_GUARD,XQ(G)::S(H),XP(i)
- Refutation
- B(b);XR(E)
- Try
- Actual
- Q(G);
- Vars
- B(j);CHECK,N_GUARD::S(H),XB(j)
- B(b);OGATE,XR(E)::QAB1(G),XB(b)
- P(g);OGATE,XP(F)::R1(E),XP(g)
- P(e);N_GUARD::B(C)
- B(j);N_GUARD::S(H),XP(i)
- P(d);N_GUARD::R1(E),XP(a)
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