MESON Chess Problem Database
Problem Display
PID: 7923 (1B6/4n2Q/K7/R1N3P1/3N1rp1/2n3kb/1p2R2p/7B w - - 0 1)
Likhomanov, Yuri Evstafevich
The Problemist, 1994
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Qxh2#
- 1...Bg2
- 2.Rxg2#
- 1...Sb1
- 2.Se4#
- 1...Sd1
- 2.Se4#
- 1...Sa2
- 2.Se4#
- 1...Sxe2
- 2.Se4#
- 1...Sa4
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sb5
- 2.Se4#
- 1...Scd5
- 2.Se4#
- 1...Sed5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Sg6
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Sg8
- 2.Sf5#
- 1...Bf1
- Tries
- 1.Sd3?
- threat
- 2.Bxf4#
- 2.Re3#
- 1...Sxe2
- 2.Sxe2#
- 1...Bg2
- 2.Bxf4#
- 2.Rxg2#
- 1...Sd1
- 2.Bxf4#
- 1...Sed5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 2.Bxf4#
- 1...Sg6
- 2.Sf5#
- 2.Re3#
- 1...Scd5!
- threat
- 1.Rxb2?
- 1...Se2
- 2.Se4#
- 1...Bg2
- 2.Rxg2#
- 1...Sb1
- 2.Se4#
- 1...Sd1
- 2.Se4#
- 1...Sa2
- 2.Se4#
- 1...Sa4
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sb5
- 2.Se4#
- 1...Scd5
- 2.Se4#
- 1...Sed5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Sg6
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Sg8
- 2.Sf5#
- 1...Bf1+!
- 1...Se2
- 1.Sd3?
- Keys
- 1.Ra2!
- 1...Sxa2
- 2.Se4#
- 1...Sxe2
- 2.Se4#
- 1...b1Q
- 2.Re3#
- 1...b1S
- 2.Re3#
- 1...b1B
- 2.Re3#
- 1...b1R
- 2.Re3#
- 1...Bf1
- 2.Qxh2#
- 1...Bg2
- 2.Rxg2#
- 1...Sb1
- 2.Se4#
- 1...Sd1
- 2.Se4#
- 1...Sa4
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sb5
- 2.Se4#
- 1...Scd5
- 2.Se4#
- 1...Sed5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Sg6
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Sg8
- 2.Sf5#
- 1...Sxa2
- 1.Ra2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(e);OGATE,P_PINR(B)::QAB1(H),XP(b)
- B(e);N_GUARD::R1(B),XB(e)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD,XR(B)::S(E)
- S(c);N_GUARD::S(E),XS(c)
- S(h);N_GUARD::S(C)
- S(h);N_GUARD::S(C),XS(h)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(c);XR(B)::S(C),XS(c)
- S(c);::B(I),XR(f)
- S(h);N_GUARD::S(C)
- Refutation
- S(c);
- Try
- R(B);XP(a)
- Vars
- S(c);N_GUARD::S(E)
- B(e);N_GUARD::R1(B),XB(e)
- S(c);N_GUARD::S(E),XS(c)
- S(h);N_GUARD::S(C)
- S(h);N_GUARD::S(C),XS(h)
- Refutation
- B(e);CHECK
- Try
- Actual
- R(D);
- Vars
- S(c);N_GUARD,XR(D)::S(E)
- S(c);N_GUARD,XR(B)::S(E)
- P(a);::R(B)
- B(e);OGATE,P_PINR(B)::QAB1(H),XP(b)
- B(e);N_GUARD::R1(B),XB(e)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- S(h);N_GUARD::S(C)
- S(h);N_GUARD::S(C),XS(h)
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