MESON Chess Problem Database
Problem Display
PID: 121692 (B4N2/K5n1/2Pp3q/1p1kB1rN/8/Q2P1n2/4P3/7b w - - 0 1)
Stocchi, Ottavio
Xadrez Brasileiro, 1937
#2
9 + 8
| 14475 | Mat Plus Review | 2007 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxh5
- 2.Qxd6#
- 1...Qh7
- 2.Qxd6#
- 1...Qh8
- 2.Qxd6#
- 1...Se6
- 2.Qxd6#
- 1...b4
- 2.Qa5#
- 1...Qxh5
- Tries
- 1.Ba1?
- threat
- 2.Sf4#
- 2.e4#
- 2.c7#
- 1...Qxh5
- 2.e4#
- 2.c7#
- 1...Rxh5
- 2.e4#
- 2.c7#
- 1...Sxh5
- 2.e4#
- 2.c7#
- 1...b4
- 2.Qa5#
- 1...Qe6
- 2.Sf4#
- 2.c7#
- 1...Qf6
- 2.Sxf6#
- 2.e4#
- 2.c7#
- 1...Qg6
- 2.Sf4#
- 2.c7#
- 1...Qh7
- 2.Sf4#
- 2.Sf6#
- 2.c7#
- 1...Rg1
- 2.e4#
- 2.c7#
- 1...Rg2
- 2.e4#
- 2.c7#
- 1...Rg3
- 2.e4#
- 2.c7#
- 1...Rg4
- 2.c7#
- 1...Re5
- 2.c7#
- 1...Rf5
- 2.e4#
- 2.c7#
- 1...Rg6
- 2.e4#
- 2.c7#
- 1...Se1
- 2.Sf4#
- 2.c7#
- 1...Sg1
- 2.Sf4#
- 2.c7#
- 1...Sd2
- 2.Sf4#
- 2.c7#
- 1...Sh2
- 2.Sf4#
- 2.c7#
- 1...Sh4
- 2.Sf4#
- 2.c7#
- 1...Se5
- 2.Sf4#
- 1...Se6
- 2.e4#
- 2.c7#
- 1...Sd4!
- threat
- 1.Bb2?
- threat
- 2.Sf4#
- 2.e4#
- 2.c7#
- 1...Qxh5
- 2.e4#
- 2.c7#
- 1...Rxh5
- 2.e4#
- 2.c7#
- 1...Sxh5
- 2.e4#
- 2.c7#
- 1...b4
- 2.Qa5#
- 1...Qe6
- 2.Sf4#
- 2.c7#
- 1...Qf6
- 2.Sxf6#
- 2.e4#
- 2.c7#
- 1...Qg6
- 2.Sf4#
- 2.c7#
- 1...Qh7
- 2.Sf4#
- 2.Sf6#
- 2.c7#
- 1...Rg1
- 2.e4#
- 2.c7#
- 1...Rg2
- 2.e4#
- 2.c7#
- 1...Rg3
- 2.e4#
- 2.c7#
- 1...Rg4
- 2.c7#
- 1...Re5
- 2.c7#
- 1...Rf5
- 2.e4#
- 2.c7#
- 1...Rg6
- 2.e4#
- 2.c7#
- 1...Se1
- 2.Sf4#
- 2.c7#
- 1...Sg1
- 2.Sf4#
- 2.c7#
- 1...Sd2
- 2.Sf4#
- 2.c7#
- 1...Sh2
- 2.Sf4#
- 2.c7#
- 1...Sh4
- 2.Sf4#
- 2.c7#
- 1...Se5
- 2.Sf4#
- 1...Se6
- 2.e4#
- 2.c7#
- 1...Sd4!
- threat
- 1.Bc3?
- threat
- 2.Sf4#
- 2.e4#
- 2.c7#
- 1...Qxh5
- 2.e4#
- 2.c7#
- 1...Rxh5
- 2.e4#
- 2.c7#
- 1...Sxh5
- 2.e4#
- 2.c7#
- 1...b4
- 2.Qa5#
- 1...Qe6
- 2.Sf4#
- 2.c7#
- 1...Qf6
- 2.Sxf6#
- 2.e4#
- 2.c7#
- 1...Qg6
- 2.Sf4#
- 2.c7#
- 1...Qh7
- 2.Sf4#
- 2.Sf6#
- 2.c7#
- 1...Rg1
- 2.e4#
- 2.c7#
- 1...Rg2
- 2.e4#
- 2.c7#
- 1...Rg3
- 2.e4#
- 2.c7#
- 1...Rg4
- 2.c7#
- 1...Re5
- 2.c7#
- 1...Rf5
- 2.e4#
- 2.c7#
- 1...Rg6
- 2.e4#
- 2.c7#
- 1...Se1
- 2.Sf4#
- 2.c7#
- 1...Sg1
- 2.Sf4#
- 2.c7#
- 1...Sd2
- 2.Sf4#
- 2.c7#
- 1...Sh2
- 2.Sf4#
- 2.c7#
- 1...Sh4
- 2.Sf4#
- 2.c7#
- 1...Se5
- 2.Sf4#
- 1...Se6
- 2.e4#
- 2.c7#
- 1...Sd4!
- threat
- 1.Qb3+?
- 1...Kc5
- 2.Sd7#
- 1...Kxe5!
- 1...Kc5
- 1.Qc3?
- threat
- 2.Sf4#
- 2.e4#
- 2.c7#
- 1...Qxh5
- 2.e4#
- 2.c7#
- 1...Rxe5
- 2.c7#
- 1...Rxh5
- 2.e4#
- 2.c7#
- 1...Sxe5
- 2.Sf4#
- 1...Sxh5
- 2.e4#
- 2.c7#
- 1...Sd4
- 2.Qxd4#
- 1...Qf6
- 2.Sxf6#
- 2.e4#
- 2.c7#
- 1...Qg6
- 2.Sf4#
- 2.c7#
- 1...Qh7
- 2.Sf4#
- 2.Sf6#
- 2.c7#
- 1...Rg1
- 2.e4#
- 2.c7#
- 1...Rg2
- 2.e4#
- 2.c7#
- 1...Rg3
- 2.e4#
- 2.c7#
- 1...Rg4
- 2.c7#
- 1...Rf5
- 2.e4#
- 2.c7#
- 1...Rg6
- 2.e4#
- 2.c7#
- 1...Se1
- 2.Sf4#
- 2.Qd4#
- 2.c7#
- 1...Sg1
- 2.Sf4#
- 2.Qd4#
- 2.c7#
- 1...Sd2
- 2.Sf4#
- 2.Qd4#
- 2.c7#
- 1...Sh2
- 2.Sf4#
- 2.Qd4#
- 2.c7#
- 1...Sh4
- 2.Sf4#
- 2.Qd4#
- 2.c7#
- 1...Se6
- 2.e4#
- 2.c7#
- 1...dxe5!
- threat
- 1.Ba1?
- Keys
- 1.Qb4!
- threat
- 2.Qxb5#
- 1...Kxe5
- 2.Qe4#
- 1...Rxe5
- 2.c7#
- 1...Sxe5
- 2.Sf4#
- 1...dxe5
- 2.e4#
- 1...Sd4
- 2.Qxd4#
- 1...Se6
- 2.Qxd6#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 4
- Sets
- Q(g);N_GUARD,XS(E)::QAR1(B),XP(f)
- Q(g);N_GUARD::QAR1(B),XP(f)
- S(h);S_CUTQ(g)::QAR1(B),XP(f)
- P(c);OGATEB::QAR(B)
- Tries
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- P(c);OGATEB::QAR(B)
- R(e);::B(H)+P(F)
- S(b);::S(E)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- P(c);OGATEB::QAR(B)
- R(e);::B(H)+P(F)
- S(b);::S(E)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- P(c);OGATEB::QAR(B)
- R(e);::B(H)+P(F)
- S(b);::S(E)
- Refutation
- S(b);
- Try
- Q(B);CHECK
- Vars
- K(d);P-FLIGHT::S(I)
- Refutation
- K(d);P-FLIGHT,XB(D)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- R(e);XB(D)::B(H)+P(F)
- S(b);XB(D)::S(E)
- S(b);N_GUARD::QAR1(B),XS(b)
- R(e);::B(H)+P(F)
- Refutation
- P(f);XB(D)
- Try
- Actual
- Q(B);
- Threat
- QAR2(B),XP(c)
- Vars
- K(d);P-FLIGHT,XB(D)::QAR1(B)
- R(e);SBLOCK,XB(D)::B(H)+P(F)
- S(b);SBLOCK,XB(D)::S(E)
- P(f);SBLOCK,XB(D)::P(A)
- S(b);N_GUARD::QAR1(B),XS(b)
- S(h);S_CUTQ(g)::QAR1(B),XP(f)
Developed and maintained by Brian Stephenson.
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