MESON Chess Problem Database
Problem Display
PID: 114172 (b7/5N1K/8/2QpN1B1/2PpkpP1/6b1/4Pp2/q2R4 w - - 0 1)
Stocchi, Ottavio
Irene, 1948
#2
9 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Qxd4#
- 1...Qc1
- 2.Qxd4#
- 1...Qa2
- 2.Qxd4#
- 1...Qa3
- 2.Qxd4#
- 1...Qa4
- 2.Qxd4#
- 1...Qa5
- 2.Qxd4#
- 1...Qa6
- 2.Qxd4#
- 1...d3
- 2.exd3#
- 1...f3
- 2.exf3#
- 1...Qb1
- Tries
- 1.Sf3?
- threat
- 2.Qe7#
- 1...Ke3
- 2.Qe7#
- 1...dxc4
- 2.Qe5#
- 1...Qa3
- 2.Qxd4#
- 1...Qa6
- 2.Qxd4#
- 1...d3
- 2.Sd2#
- 2.Sd6#
- 1...Qa7!
- threat
- 1.Sc6?
- threat
- 2.Qe7#
- 1...Ke3
- 2.Qe7#
- 1...dxc4
- 2.Qe5#
- 1...Qa3
- 2.Qxd4#
- 1...d3
- 2.Sd6#
- 1...f3
- 2.Qxd5#
- 1...Qa7!
- threat
- 1.Sf3?
- Keys
- 1.Sd7!
- threat
- 2.Qe7#
- 1...Ke3
- 2.Qe7#
- 1...dxc4
- 2.Qe5#
- 1...Qa3
- 2.Qxd4#
- 1...Qa6
- 2.Qxd4#
- 1...d3
- 2.Sd6#
- 1...f3
- 2.Sf6#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- Q(a);N_GUARD::QAR1(E),XP(d)
- P(d);OGATE::P(B),XP(d)
- P(f);OGATE::P(B),XP(f)
- Tries
- Try
- S(F);
- Threat
- QAR(E)
- Vars
- K(e);P-FLIGHT,P_SPINP(d)::QAR(E)
- P(g);OGATE,XP(C)::QAR1(E)
- Q(a);N_GUARD::QAR1(E),XP(d)
- Refutation
- Q(a);P_PINS(H)
- Try
- S(F);
- Threat
- QAR(E)
- Vars
- K(e);P-FLIGHT,P_SPINP(d)::QAR(E)
- P(g);OGATE,XP(C)::QAR1(E)
- Q(a);N_GUARD::QAR1(E),XP(d)
- P(d);::S(H)
- P(f);::QAB1(E),XP(g)
- Refutation
- Q(a);P_PINS(H)
- Try
- Actual
- S(F);
- Threat
- QAR(E)
- Vars
- K(e);P-FLIGHT,P_SPINP(d)::QAR(E)
- P(g);OGATE,XP(C)::QAR1(E)
- Q(a);N_GUARD::QAR1(E),XP(d)
- P(d);::S(H)
- P(f);::S(F)
Developed and maintained by Brian Stephenson.
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