MESON Chess Problem Database
Problem Display
PID: 259158 (K3Q3/1p3p2/kb6/P7/1P6/1P1p4/4b3/8 w - - 0 1)
Heinonen, Erkki
3rd Comm., Stella Polaris, 1969
#2
5 + 6
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...d2
- 2.Qxe2#
- 1...d2
- Tries
- 1.Qa4?
- threat
- 2.b5#
- 1...Bxa5
- 2.Qxa5#
- 1...d2!
- threat
- 1.Qc6?
- threat
- 2.Qc4#
- 2.Qxb6#
- 1...d2
- 2.Qxb6#
- 1...bxc6!
- threat
- 1.Qe6?
- threat
- 2.Qc4#
- 2.Qxb6#
- 1...Kb5
- 2.Qc4#
- 2.Qxb6#
- 1...d2
- 2.Qxe2#
- 2.Qxb6#
- 1...fxe6!
- threat
- 1.Qc8?
- threat
- 2.Qc4#
- 1...Kb5
- 2.Qc4#
- 1...Bxa5
- 2.Qxb7#
- 1...Bg1
- 2.Qxb7#
- 1...Bf2
- 2.Qxb7#
- 1...Be3
- 2.Qxb7#
- 1...Bd4
- 2.Qxb7#
- 1...Bc5
- 2.Qxb7#
- 1...Ba7
- 2.Qxb7#
- 1...Bc7
- 2.Qxb7#
- 1...Bd8
- 2.Qxb7#
- 1...d2!
- threat
- 1.Qa4?
- Keys
- 1.Qe4!
- threat
- 2.Qc4#
- 1...Kb5
- 2.Qc4#
- 1...Bxa5
- 2.Qxb7#
- 1...d2
- 2.Qxe2#
- 1...Bg1
- 2.Qxb7#
- 1...Bf2
- 2.Qxb7#
- 1...Be3
- 2.Qxb7#
- 1...Bd4
- 2.Qxb7#
- 1...Bc5
- 2.Qxb7#
- 1...Ba7
- 2.Qxb7#
- 1...Bc7
- 2.Qxb7#
- 1...Bd8
- 2.Qxb7#
- threat
- 1.Qe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- P(b);OGATEB::QAB(E),XB(a)
- Tries
- Try
- Q(E);
- Threat
- P(B)
- Vars
- B(d);OGATE,P_SPINB(d),XP(C)::QAR1(E),XB(d)
- Refutation
- P(b);
- Try
- Q(E);P_PINB(d)
- Threat
- DUALS(2)
- Vars
- P(b);::QAR1(E),XB(d)
- Refutation
- P(e);N_SPINB(d),XQ(E)
- Try
- Q(E);P_PINB(d)
- Threat
- DUALS(2)
- Refutation
- P(f);N_SPINB(d),XQ(E)
- Try
- Q(E);P_PINP(e)
- Threat
- QAB(E)
- Vars
- K(c);N_SPINP(e),S_FLIGHT::QAB1(E)
- B(d);XP(C)::QAB1(E),XP(e)
- B(d);::QAB1(E),XP(e)
- Refutation
- P(b);
- Try
- Actual
- Q(E);
- Threat
- QAB(E)
- Vars
- K(c);S_FLIGHT::QAB1(E)
- B(d);XP(C)::QAB1(E),XP(e)
- P(b);OGATEB::QAB(E),XB(a)
- B(d);::QAB1(E),XP(e)
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