MESON Chess Problem Database
Problem Display
PID: 102605 (3R1N2/8/p2PPNK1/3Pk1p1/Qn5R/2bp1PP1/3n3B/8 w - - 0 1)
Stocchi, Ottavio
Echec et Mat, 1948
#2
12 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Qxa1#
- 1...Bd4
- 2.g4#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sb3
- 2.Re4#
- 1...Sxf3
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sa2
- 2.g4#
- 1...Sc2
- 2.g4#
- 1...Sxd5
- 2.Sg4#
- 1...Sc6
- 2.g4#
- 1...Ba1
- Tries
- 1.Kxg5?
- threat
- 2.Sg6#
- 1...Se4+
- 2.Rxe4#
- 1...Sxd5
- 2.Sg4#
- 1...Sxf3+!
- threat
- 1.Rc4?
- threat
- 2.g4#
- 1...Sxf3
- 2.Re4#
- 1...Sxd5
- 2.Sg4#
- 1...Sf1
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...g4
- 2.f4#
- 1...Sxc4!
- threat
- 1.Qc6?
- threat
- 2.S6d7#
- 2.S8d7#
- 2.Qxc3#
- 1...Sxf3
- 2.S6d7#
- 2.S8d7#
- 2.Re4#
- 1...Sxd5
- 2.S6d7#
- 2.Qxd5#
- 1...gxh4
- 2.Qxc3#
- 1...Se4
- 2.Rxe4#
- 1...g4
- 2.Qxc3#
- 1...Bb2
- 2.S6d7#
- 2.S8d7#
- 1...Ba1
- 2.S6d7#
- 2.S8d7#
- 1...Bd4
- 2.Sg4#
- 2.S6d7#
- 2.S8d7#
- 2.g4#
- 1...Sb1
- 2.S6d7#
- 2.S8d7#
- 2.Re4#
- 1...Sb3
- 2.S6d7#
- 2.S8d7#
- 2.Re4#
- 1...Sc4
- 2.S6d7#
- 2.S8d7#
- 2.Re4#
- 1...Sa2
- 2.S6d7#
- 2.S8d7#
- 1...Sc2
- 2.S6d7#
- 2.S8d7#
- 1...Sxc6!
- threat
- 1.Qxb4?
- threat
- 2.S8d7#
- 2.Qxc3#
- 2.g4#
- 1...Sxf3
- 2.S8d7#
- 2.Re4#
- 2.Qe4#
- 1...Bb2
- 2.S8d7#
- 2.Qxb2#
- 2.g4#
- 1...Ba1
- 2.S8d7#
- 2.g4#
- 1...Bd4
- 2.S8d7#
- 2.Qxd4#
- 2.g4#
- 1...Sb1
- 2.S8d7#
- 2.Re4#
- 2.Qe4#
- 2.g4#
- 1...Sf1
- 2.S8d7#
- 2.Re4#
- 2.Qxc3#
- 2.Qe4#
- 1...Sb3
- 2.S8d7#
- 2.Re4#
- 2.Qe4#
- 2.g4#
- 1...Sc4
- 2.S8d7#
- 2.Re4#
- 2.Qxc3#
- 1...Se4
- 2.S8d7#
- 2.Rxe4#
- 2.Qxe4#
- 1...g4
- 2.S8d7#
- 2.Rh5#
- 2.Qxc3#
- 2.Qf4#
- 2.f4#
- 1...Bxb4!
- threat
- 1.Kxg5?
- Keys
- 1.Qa3!
- threat
- 2.Qxc3#
- 1...Sxf3
- 2.Re4#
- 1...Sxd5
- 2.S6d7#
- 1...Se4
- 2.Rxe4#
- 1...Bb2
- 2.Qxb2#
- 1...Ba1
- 2.Qxa1#
- 1...Bd4
- 2.g4#
- 1...Sb1
- 2.Re4#
- 1...Sb3
- 2.Re4#
- 1...Sa2
- 2.S8d7#
- 1...Sc2
- 2.S8d7#
- 1...Sc6
- 2.S8d7#
- threat
- 1.Qa3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- B(b);OGATEB::QAB(D),XB(b)
- B(b);SBLOCK::B(A)+P(C)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD,XP(B)::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- S(d);::B(A)+P(C)
- S(d);SBLOCK,XP(F)::S(I)
- Tries
- Try
- K(J);P-FLIGHT,XP(f)
- Threat
- S(L)
- Vars
- S(a);CHECK,N_GUARD::R1(E),XS(a)
- S(d);SBLOCK,XP(F)::S(I)
- Refutation
- S(a);CHECK,XP(B)
- Try
- R(E);
- Threat
- B(A)+P(C)
- Vars
- S(a);N_GUARD,XP(B)::R1(E)
- S(d);SBLOCK,XP(F)::S(I)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- P(f);N_GUARD::P(B)
- Refutation
- S(a);XR(E)
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- P(f);XR(E)::QAB(D),XB(b)
- S(a);N_GUARD::R1(E),XS(a)
- P(f);::QAB(D),XB(b)
- Refutation
- S(d);XQ(D)
- Try
- Q(D);XS(d)
- Threat
- DUALS(3)
- Refutation
- B(b);XQ(D)
- Try
- Actual
- Q(D);
- Threat
- QAB(D),XB(b)
- Vars
- S(a);N_GUARD,XP(B)::R1(E)
- S(d);SBLOCK,XP(F)::S(I)
- S(a);N_GUARD::R1(E),XS(a)
- B(b);OGATEB::QAB(D),XB(b)
- B(b);SBLOCK::B(A)+P(C)
- S(a);N_GUARD::R1(E)
- S(d);::S(L)
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