MESON Chess Problem Database
Problem Display
PID: 52565 (5R2/5B2/5n2/3NB3/3Pk2P/R1p4P/5P2/1N2K3 w - - 0 1)
Valuska, Jan
Revista de Sah, 1969
#2
11 + 3
| 3335 | Cyclone | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Sxd5
- 2.Bg6#
- 1...Sxd5
- Tries
- 1.Sd2+?
- 1...Kd3
- 2.Sb4#
- 2.Rxc3#
- 1...Kf5
- 2.Se3#
- 2.Se7#
- 1...cxd2+!
- 1...Kd3
- 1.Sbxc3+?
- 1...Kd3
- 2.Sb4#
- 1...Kf5
- 2.Se3#
- 2.Se7#
- 1...Kf3!
- 1...Kd3
- 1.Se3?
- 1...Kf3
- 2.Bd5#
- 1...Sg4
- 2.Bg6#
- 1...Sd5
- 2.Bg6#
- 1...Sh5
- 2.Bg6#
- 1...Sd7
- 2.Bg6#
- 1...Sh7
- 2.Bg6#
- 1...Se8
- 2.Bg6#
- 1...Sg8
- 2.Bg6#
- 1...c2
- 2.Sd2#
- 1...Kd3!
- 1...Kf3
- 1.Sb4?
- 1...Kf3
- 2.Bd5#
- 1...Sg4
- 2.Bd5#
- 2.Bg6#
- 1...Sd5
- 2.Bxd5#
- 2.Bg6#
- 1...Sh5
- 2.Bd5#
- 2.Bg6#
- 1...Sd7
- 2.Bd5#
- 2.Bg6#
- 1...Sh7
- 2.Bd5#
- 2.Bg6#
- 1...Se8
- 2.Bd5#
- 2.Bg6#
- 1...Sg8
- 2.Bd5#
- 2.Bg6#
- 1...c2
- 2.Bg6#
- 1...Kf5!
- 1...Kf3
- 1.Sxf6+?
- 1...Kd3
- 2.Rxc3#
- 1...Kf3
- 2.Bd5#
- 1...Kf5!
- 1...Kd3
- 1.Se7?
- 1...Kf3
- 2.Bd5#
- 1...Sg4
- 2.Bg6#
- 1...Sd5
- 2.Bg6#
- 1...Sh5
- 2.Bg6#
- 1...Sd7
- 2.Bg6#
- 1...Sh7
- 2.Bg6#
- 1...Se8
- 2.Bg6#
- 1...Sg8
- 2.Bg6#
- 1...c2
- 2.Sd2#
- 2.Bg6#
- 2.Re3#
- 2.f3#
- 1...Kd3!
- 1...Kf3
- 1.f3+?
- 1...Kd3
- 2.Rxc3#
- 1...Kf5
- 2.Se3#
- 2.Se7#
- 1...Kxf3!
- 1...Kd3
- 1.Sd2+?
- Keys
- 1.Sf4!
- 1...Kf3
- 2.Sd2#
- 1...Kf5
- 2.Bg6#
- 1...Sg4
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sh5
- 2.Bd5#
- 1...Sd7
- 2.Bd5#
- 1...Sh7
- 2.Bd5#
- 1...Se8
- 2.Bd5#
- 1...Sg8
- 2.Bd5#
- 1...c2
- 2.Bg6#
- 1...Kf3
- 1.Sf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(c);SBLOCK,XS(H)::B(J)
- Tries
- Try
- S(A);CHECK
- Refutation
- P(a);CHECK,XS(A)
- Try
- S(A);CHECK,XP(a)
- Vars
- K(b);S_FLIGHT::S(H)
- Refutation
- K(b);S_FLIGHT
- Try
- S(H);
- Vars
- K(b);S_FLIGHT::B(J)
- S(c);::B(J)
- P(a);N_GUARD::S(A)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT
- Try
- S(H);
- Vars
- K(b);P_SPINP(a),S_FLIGHT::B(J)
- P(a);::B(J)
- Refutation
- K(b);S_FLIGHT
- Try
- S(H);CHECK,XS(c)
- Vars
- K(b);P_SPINP(a),S_FLIGHT::R1(D),XP(a)
- K(b);P_SPINP(a),S_FLIGHT::B(J)
- Refutation
- K(b);S_FLIGHT
- Try
- S(H);
- Vars
- K(b);P_SPINP(a),S_FLIGHT::B(J)
- S(c);::B(J)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT
- Try
- P(C);CHECK
- Vars
- K(b);P_SPINP(a),S_FLIGHT::R1(D),XP(a)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT,XP(C)
- Try
- Actual
- S(H);
- Vars
- K(b);P_SPINP(a),S_FLIGHT::S(A)
- K(b);S_FLIGHT::B(J)
- S(c);N_GUARD::B(J)
- S(c);N_GUARD::B(J),XS(c)
- P(a);::B(J)
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