MESON Chess Problem Database
Problem Display
PID: 137588 (3N2R1/8/1K6/4kNP1/2P1p3/B3pn1P/4B3/5R2 w - - 0 1)
Lipton, Michael
2nd Comm., BCF 110. Ty., 1965-1966
#2
10 + 4
| 23 | Die Schwalbe | 1969 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Bb2#
- 2.Bd6#
- 2.Re8#
- 1...Sg1
- 2.Bb2#
- 2.Bd6#
- 2.Re8#
- 1...Sd2
- 2.Bb2#
- 2.Bd6#
- 2.Re8#
- 1...Sh2
- 2.Bb2#
- 2.Bd6#
- 2.Re8#
- 1...Sd4
- 2.Bd6#
- 1...Sh4
- 2.Bb2#
- 2.Bd6#
- 2.Re8#
- 1...Sxg5
- 2.Bb2#
- 1...Se1
- Tries
- 1.Sd4?
- 1...Kxd4
- 2.Bb2#
- 1...Kf4
- 2.Bd6#
- 1...Sxg5
- 2.S4c6#
- 2.S8c6#
- 1...Se1
- 2.S4c6#
- 2.S8c6#
- 1...Sg1
- 2.S4c6#
- 2.S8c6#
- 1...Sd2
- 2.S4c6#
- 2.S8c6#
- 1...Sh2
- 2.S4c6#
- 2.S8c6#
- 1...Sh4
- 2.S4c6#
- 2.S8c6#
- 1...Sxd4!
- 1...Kxd4
- 1.Sg7?
- 1...Kd4
- 2.Bb2#
- 1...Sxg5
- 2.Sc6#
- 1...Se1
- 2.Sc6#
- 1...Sg1
- 2.Sc6#
- 1...Sd2
- 2.Sc6#
- 1...Sh2
- 2.Sc6#
- 1...Sd4
- 2.Sf7#
- 1...Sh4
- 2.Sc6#
- 1...Kf4!
- 1...Kd4
- 1.Sd4?
- Keys
- 1.Se7!
- 1...Kd4
- 2.Bb2#
- 1...Kf4
- 2.Bd6#
- 1...Sxg5
- 2.Sec6#
- 1...Se1
- 2.Sec6#
- 1...Sg1
- 2.Sec6#
- 1...Sd2
- 2.Sec6#
- 1...Sh2
- 2.Sec6#
- 1...Sd4
- 2.Sg6#
- 1...Sh4
- 2.Sec6#
- 1...Kd4
- 1.Se7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(b);::B(C)
- S(b);N_GUARD,XP(G)::B(C)
- Tries
- Try
- S(F);
- Vars
- K(d);OGATEB,S_FLIGHT,XS(F)::B(C)
- K(d);P_SPINS(b),S_FLIGHT::B(C)
- Refutation
- S(b);XS(F)
- Try
- S(F);
- Vars
- K(d);S_FLIGHT::B(C)
- S(b);XP(G)::S(I)
- S(b);::S(I)
- S(b);SBLOCK::S(I)
- Refutation
- K(d);P_SPINS(b),S_FLIGHT
- Try
- Actual
- S(F);
- Vars
- K(d);S_FLIGHT::B(C)
- K(d);P_SPINS(b),S_FLIGHT::B(C)
- S(b);XP(G)::S(F)
- S(b);::S(F)
- S(b);SBLOCK::S(F)
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