MESON Chess Problem Database
Problem Display
PID: 91598 (1q1n4/5ppQ/1Np1bB2/3Pn3/2R1PN2/4k2p/3b1R2/1B3K2 w - - 0 1)
Stocchi, Ottavio
Probleemblad, 1950
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Bd4#
- 1...Sxc4
- 2.Sxc4#
- 1...Sg4
- 2.Bd4#
- 2.Qxh3#
- 1...Sg6
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...h2
- 2.Sg2#
- 1...Sd3
- Tries
- 1.Se2?
- threat
- 2.Bg5#
- 1...Sxc4
- 2.Sxc4#
- 2.Bd4#
- 1...gxf6
- 2.Qh6#
- 1...Sd3
- 2.Bd4#
- 1...Sg4
- 2.Bd4#
- 1...Sg6
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...g5
- 2.Bxg5#
- 1...Sf3!
- threat
- 1.Sd3?
- threat
- 2.Bg5#
- 1...Sxd3
- 2.Bd4#
- 1...Sxc4
- 2.Sxc4#
- 1...gxf6
- 2.Qh6#
- 1...Sf3
- 2.Re2#
- 1...Sg4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...g5
- 2.Bxg5#
- 1...Sg6!
- threat
- 1.Sxh3?
- threat
- 2.Bg5#
- 1...Sxc4
- 2.Sxc4#
- 1...gxf6
- 2.Qh6#
- 1...Sd3
- 2.Bd4#
- 1...Sf3
- 2.Re2#
- 1...Sg4
- 2.Bd4#
- 1...Sg6
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...g5
- 2.Bxg5#
- 1...Bxh3+!
- threat
- 1.Sxe6?
- threat
- 2.Bg5#
- 1...Sxc4
- 2.Sxc4#
- 2.Bd4#
- 1...gxf6
- 2.Qh6#
- 1...Sd3
- 2.Bd4#
- 1...Sf3
- 2.Re2#
- 1...Sg4
- 2.Bd4#
- 1...Sg6
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...g5
- 2.Bxg5#
- 1...Sxe6!
- threat
- 1.Sg6?
- threat
- 2.Bg5#
- 1...Sxc4
- 2.Sxc4#
- 1...Sxg6
- 2.Bd4#
- 1...gxf6
- 2.Qh6#
- 1...Sf3
- 2.Re2#
- 1...Sg4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sd3!
- threat
- 1.Bg5?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sxh3#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 1...Bxd5
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sxh3#
- 2.Sfxd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Bg4
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sxh3#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Bf5
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sxh3#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Bd7
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sxh3#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Bc8
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sxh3#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Sd3
- 2.Sg2#
- 1...Sf3
- 2.Sg2#
- 2.Re2#
- 1...Sg4
- 2.Sg2#
- 2.Qxh3#
- 1...Sg6
- 2.Sg2#
- 1...Sd7
- 2.Sg2#
- 1...h2
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 1...f5
- 2.Sg2#
- 1...f6
- 2.Sg2#
- 1...g6
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sxh3#
- 2.Sh5#
- 2.Sxe6#
- 2.Sxg6#
- 1...Sxc4!
- threat
- 1.Rc3+?
- 1...Kd4
- 2.Se2#
- 1...Sd3
- 2.Sc4#
- 2.Rxd3#
- 1...Bxc3!
- 1...Kd4
- 1.Qxh3+?
- 1...Sf3
- 2.Sg2#
- 2.Rxf3#
- 2.Qxf3#
- 1...Bxh3+!
- 1...Sf3
- 1.Qh5?
- threat
- 2.Qe2#
- 1...Sf3
- 2.Rxf3#
- 2.Qxf3#
- 1...Sg4
- 2.Bd4#
- 2.Qxh3#
- 1...Bg4!
- threat
- 1.Se2?
- Keys
- 1.Sh5!
- threat
- 2.Bg5#
- 1...Sxc4
- 2.Sxc4#
- 1...gxf6
- 2.Qh6#
- 1...Sd3
- 2.Bd4#
- 1...Sf3
- 2.Re2#
- 1...Sg4
- 2.Bd4#
- 1...Sg6
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...g5
- 2.Bxg5#
- threat
- 1.Sh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- S(d);OGATE::B(I)
- S(d);XR(D)::S(H),XS(d)
- P(c);N_GUARD::S(F)
- Tries
- Try
- S(F);
- Threat
- B(I)
- Vars
- P(h);N_GUARD,XB(I)::QAB(J)
- S(d);OGATE::B(I)
- P(h);::B(I),XP(h)
- Refutation
- S(d);
- Try
- S(F);
- Threat
- B(I)
- Vars
- S(d);OGATE,XS(F)::B(I)
- S(d);XR(D)::S(H),XS(d)
- P(h);N_GUARD,XB(I)::QAB(J)
- S(d);SBLOCK::R1(C)
- S(d);OGATE::B(I)
- P(h);::B(I),XP(h)
- Refutation
- S(d);
- Try
- S(F);XP(c)
- Threat
- B(I)
- Vars
- S(d);XR(D)::S(H),XS(d)
- P(h);N_GUARD,XB(I)::QAB(J)
- S(d);OGATE::B(I)
- S(d);SBLOCK::R1(C)
- P(h);::B(I),XP(h)
- Refutation
- B(f);CHECK,XS(F)
- Try
- S(F);XB(f)
- Threat
- B(I)
- Vars
- P(h);N_GUARD,XB(I)::QAB(J)
- S(d);OGATE::B(I)
- S(d);SBLOCK::R1(C)
- P(h);::B(I),XP(h)
- Refutation
- S(j);XS(F)
- Try
- S(F);
- Threat
- B(I)
- Vars
- S(d);XR(D)::S(H),XS(d)
- S(d);OGATE,XS(F)::B(I)
- P(h);N_GUARD,XB(I)::QAB(J)
- S(d);SBLOCK::R1(C)
- S(d);OGATE::B(I)
- Refutation
- S(d);
- Try
- B(I);
- Threat
- DUALS(7)
- Vars
- S(d);::B(I)+S(F),DCHECK
- P(g);::B(I)+S(F),DCHECK
- Refutation
- S(d);XR(D)
- Try
- R(D);CHECK
- Vars
- K(b);P_SPINS(d),S_FLIGHT::S(F)
- Refutation
- B(a);XR(D)
- Try
- Q(J);CHECK,XP(c)
- Refutation
- B(f);CHECK,XQ(J)
- Try
- Q(J);
- Threat
- QAR1(J)
- Refutation
- B(f);
- Try
- Actual
- S(F);
- Threat
- B(I)
- Vars
- S(d);XR(D)::S(H),XS(d)
- P(h);N_GUARD,XB(I)::QAB(J)
- S(d);OGATE::B(I)
- S(d);SBLOCK::R1(C)
- P(h);::B(I),XP(h)
Developed and maintained by Brian Stephenson.
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