MESON Chess Problem Database
Problem Display
PID: 176311 (8/8/Q7/5p2/1p1P1pP1/PppK3N/4P1N1/5k1B w - - 0 1)
Paalanen, Erkki
Schach-Echo, 1976
#2
9 + 6
| 17121 | Encyclopedia of Chess Problems (Velimirovic/Valtonen) | 2012 |
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Tries
- 1.Qb7?
- threat
- 2.Qf3#
- 1...f3
- 2.Qxf3#
- 1...fxg4!
- threat
- 1.Qc6?
- threat
- 2.Qf3#
- 1...f3
- 2.Qxf3#
- 1...fxg4!
- threat
- 1.Qa8?
- threat
- 2.Qf3#
- 1...f3
- 2.Qxf3#
- 1...fxg4!
- threat
- 1.e3?
- 1...bxa3
- 2.Kxc3#
- 1...fxe3
- 2.Kxe3#
- 1...fxg4
- 2.Ke4#
- 1...b2
- 2.Kc2#
- 1...c2
- 2.Kd2#
- 1...f3!
- 1...bxa3
- 1.e4?
- 1...fxe4+
- 2.Kxe4#
- 1...bxa3
- 2.Kxc3#
- 1...fxe4 ep
- 2.Kxe3#
- 1...f3
- 2.Ke3#
- 1...b2
- 2.Kc2#
- 1...c2
- 2.Kd2#
- 1...fxg4!
- 1...fxe4+
- 1.Qb7?
- Keys
- 1.Qh6!
- threat
- 2.Qxf4#
- 1...f3
- 2.Qc1#
- threat
- 1.Qh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(I);
- Threat
- QAR2(I)
- Vars
- P(e);::QAR2(I),XP(e)
- Refutation
- P(f);XP(H)
- Try
- Q(I);
- Threat
- QAR2(I)
- Vars
- P(e);::QAR2(I),XP(e)
- Refutation
- P(f);XP(H)
- Try
- Q(I);
- Threat
- QAR2(I)
- Vars
- P(e);::QAR2(I),XP(e)
- Refutation
- P(f);XP(H)
- Try
- P(B);
- Vars
- P(d);XP(D)::QAB(I)+K(E),XP(c)
- P(e);XP(B)::QAB(I)+K(E),XP(e)
- P(f);XP(H)::QAB(I)+K(E)
- P(b);::QAB(I)+K(E)
- P(c);::QAB(I)+K(E)
- Refutation
- P(e);
- Try
- P(B);
- Vars
- P(f);CHECK,XP(B)::QAB(I)+K(E),XP(f)
- P(d);XP(D)::QAB(I)+K(E),XP(c)
- P(e);EP,XP(B)::QAB(I)+K(E),XP(e)
- P(e);::QAB(I)+K(E)
- P(b);::QAB(I)+K(E)
- P(c);::QAB(I)+K(E)
- Refutation
- P(f);XP(H)
- Try
- Actual
- Q(I);
- Threat
- QAR(I),XP(e)
- Vars
- P(e);OGATE::QAR(I)
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