MESON Chess Problem Database
Problem Display
PID: 91319 (3N4/3p1P2/2prppK1/R1nk2nR/1p2p3/1P6/1QP1PPBB/8 w - - 0 1)
Wirtanen, Erkki Aukusti
Die Schwalbe, 1964
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...f5
- 2.Qe5#
- 1...f5
- Tries
- 1.Kh6?
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...f5
- 1.Kg7?
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...f5
- 1.Bf1?
- 1...e3
- 2.Bg2#
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...e3
- 1.Bh1?
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...f5
- 1.Bh3?
- 1...e3
- 2.Bg2#
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...e3
- 1.Bg3?
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...f5
- 1.Bf4?
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...f5
- 1.Rxg5+?
- 1...fxg5
- 2.Qe5#
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...fxg5
- 1.f3?
- threat
- 2.fxe4#
- 1...exf3
- 2.Bxf3#
- 1...e3
- 2.f4#
- 1...f5
- 2.Qe5#
- 1...e5!
- threat
- 1.f4?
- 1...exf4 ep
- 2.Bxf3#
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...exf4 ep
- 1.f8S?
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...f5
- 1.f8B?
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...f5
- 1.f8R?
- 1...f5
- 2.Qe5#
- 1...e5!
- 1...f5
- 1.Kh6?
- Keys
- 1.Qa1!
- threat
- 2.Qd1#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- P(i);N_GUARD::QAR1(A)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- K(J);P-FLIGHT
- Vars
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- B(E);N_PINP(b)
- Vars
- P(b);OGATEB::B(E)
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- B(E);
- Vars
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- B(E);N_PINP(b)
- Vars
- P(b);OGATEB::B(E)
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- B(F);
- Vars
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- B(F);
- Vars
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- R(I);CHECK,XS(e)
- Vars
- P(i);N_GUARD,XR(I)::QAR1(A)
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- P(D);N_PINP(b)
- Threat
- P(D),XP(b)
- Vars
- P(b);OGATE,P_SPINP(b),XP(D)::B(E),XP(b)
- P(b);::B(E)+P(D)
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- P(D);
- Vars
- P(b);EP,OGATEB,XP(D)::B(E),XP(b)
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- P(K);
- Vars
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- P(K);
- Vars
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- P(K);
- Vars
- P(i);N_GUARD::QAR1(A)
- Refutation
- P(h);
- Try
- Actual
- Q(A);
- Threat
- QAR(A)
Developed and maintained by Brian Stephenson.
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