MESON Chess Problem Database
Problem Display
PID: 80872 (5RB1/2K1N1p1/5pP1/1p2k2p/1p4bR/1P2P3/5N2/8 w - - 0 1)
Shahaf, Eliahu (formerly Feigin, Eliahu)
The Field, 1949
(First published on Sat Nov 26 1949)
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Sd3#
- 2.Re4#
- 1...Be2
- 2.Re4#
- 1...Bf3
- 2.Sd3#
- 1...Bh3
- 2.Sd3#
- 2.Re4#
- 1...Bf5
- 2.Sc6#
- 1...Be6
- 2.Sd3#
- 2.Re4#
- 1...Bd7
- 2.Sd3#
- 2.Re4#
- 1...Bc8
- 2.Sd3#
- 2.Re4#
- 1...f5
- 2.Sc6#
- 1...Bd1
- Tries
- 1.Bc4?
- 1...Bd1
- 2.Sd3#
- 2.Re4#
- 1...Be2
- 2.Re4#
- 1...Bf3
- 2.Sd3#
- 1...Bh3
- 2.Sd3#
- 2.Re4#
- 1...Bf5
- 2.Sc6#
- 1...Be6
- 2.Sd3#
- 2.Re4#
- 1...Bd7
- 2.Sd3#
- 2.Re4#
- 1...Bc8
- 2.Sd3#
- 2.Re4#
- 1...f5
- 2.Sc6#
- 1...bxc4!
- 1...Bd1
- 1.Bd5?
- threat
- 2.Sd3#
- 1...Be2
- 2.Re4#
- 1...Bf5!
- threat
- 1.Bf7?
- 1...Bd1
- 2.Sd3#
- 2.Re4#
- 1...Be2
- 2.Re4#
- 1...Bf3
- 2.Sd3#
- 1...Bh3
- 2.Sd3#
- 2.Re4#
- 1...Bf5
- 2.Sc6#
- 1...Be6
- 2.Sd3#
- 2.Re4#
- 1...Bd7
- 2.Sd3#
- 2.Re4#
- 1...Bc8
- 2.Sd3#
- 2.Re4#
- 1...f5!
- 1...Bd1
- 1.Rxg4?
- threat
- 2.Sd3#
- 2.Re4#
- 1...f5
- 2.Sd3#
- 2.Sc6#
- 2.Rxf5#
- 1...hxg4!
- threat
- 1.Rxh5+?
- 1...Bf5
- 2.Sc6#
- 2.Rxf5#
- 1...f5
- 2.Sc6#
- 1...Bxh5!
- 1...Bf5
- 1.Ra8?
- 1...Bd1
- 2.Sd3#
- 2.Re4#
- 1...Be2
- 2.Re4#
- 1...Bf3
- 2.Sd3#
- 1...Bh3
- 2.Sd3#
- 2.Re4#
- 1...Bf5
- 2.Sc6#
- 1...Be6
- 2.Sd3#
- 2.Re4#
- 1...Bd7
- 2.Sd3#
- 2.Re4#
- 1...Bc8
- 2.Sd3#
- 2.Re4#
- 1...f5!
- 1...Bd1
- 1.Rb8?
- threat
- 2.Rxb5#
- 1...Be2
- 2.Re4#
- 1...Bf3
- 2.Sd3#
- 1...Be6
- 2.Sd3#
- 2.Re4#
- 1...Bd7
- 2.Sd3#
- 2.Re4#
- 1...f5!
- threat
- 1.Rc8?
- 1...Bxc8
- 2.Sd3#
- 2.Re4#
- 1...Bd1
- 2.Sd3#
- 2.Re4#
- 1...Be2
- 2.Re4#
- 1...Bf3
- 2.Sd3#
- 1...Bh3
- 2.Sd3#
- 2.Re4#
- 1...Bf5
- 2.Sc6#
- 1...Be6
- 2.Sd3#
- 2.Re4#
- 1...Bd7
- 2.Sd3#
- 2.Re4#
- 1...f5!
- 1...Bxc8
- 1.Rd8?
- threat
- 2.Rd5#
- 1...Bf3
- 2.Sd3#
- 1...Be6
- 2.Sd3#
- 2.Re4#
- 1...Bd7
- 2.Sd3#
- 2.Re4#
- 1...f5!
- threat
- 1.Bc4?
- Keys
- 1.Re8!
- 1...f5
- 2.Sd5#
- 1...Bd1
- 2.Sd3#
- 2.Re4#
- 1...Be2
- 2.Re4#
- 1...Bf3
- 2.Sd3#
- 1...Bh3
- 2.Sd3#
- 2.Re4#
- 1...Bf5
- 2.Sc6#
- 1...Be6
- 2.Sd3#
- 2.Re4#
- 1...Bd7
- 2.Sd3#
- 2.Re4#
- 1...Bc8
- 2.Sd3#
- 2.Re4#
- 1...f5
- 1.Re8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(b);OGATE::R1(D)
- B(b);::S(A)
- B(b);SBLOCK::S(G)
- P(f);::S(G)
- Tries
- Try
- B(I);
- Vars
- B(b);OGATE::R1(D)
- B(b);::S(A)
- B(b);SBLOCK::S(G)
- P(f);::S(G)
- Refutation
- P(c);XB(I)
- Try
- B(I);
- Threat
- S(A)
- Vars
- B(b);OGATE::R1(D)
- Refutation
- B(b);
- Try
- B(I);
- Vars
- B(b);OGATE::R1(D)
- B(b);::S(A)
- B(b);SBLOCK::S(G)
- Refutation
- P(f);
- Try
- R(D);XB(b)
- Threat
- DUALS(2)
- Refutation
- P(e);XR(D)
- Try
- R(D);CHECK,XP(e)
- Vars
- P(f);P_SPINP(f)::S(G)
- Refutation
- B(b);XR(D)
- Try
- R(H);
- Vars
- B(b);OGATE::R1(D)
- B(b);::S(A)
- B(b);SBLOCK::S(G)
- Refutation
- P(f);
- Try
- R(H);
- Threat
- R(H),XP(c)
- Vars
- B(b);OGATE::R1(D)
- B(b);::S(A)
- Refutation
- P(f);
- Try
- R(H);
- Vars
- B(b);OGATE::R1(D)
- B(b);::S(A)
- B(b);SBLOCK::S(G)
- Refutation
- P(f);
- Try
- R(H);
- Threat
- R1(H)
- Vars
- B(b);::S(A)
- Refutation
- P(f);
- Try
- Actual
- R(H);
- Vars
- P(f);SBLOCK,S_CUTB(b)::R(H)+S(G)
- B(b);OGATE::R1(D)
- B(b);::S(A)
- B(b);SBLOCK::R(H)+S(G),DCHECK
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