MESON Chess Problem Database
Problem Display
PID: 249965 (8/N2bR1N1/1P1k1P2/1p1pp2B/1P1n4/8/5B2/7K w - - 0 1)
Armeni, Alberto
Suomen Shakki, 2010
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Bh3
- 2.Se8#
- 1...Bg4
- 2.Se8#
- 1...Bf5
- 2.Se8#
- 1...Bc6
- 2.Sc8#
- 1...Be6
- 2.Se8#
- 1...Bc8
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sc2
- 2.Bc5#
- 1...Se2
- 2.Bc5#
- 1...Sf3
- 2.Bc5#
- 1...Sf5
- 2.Bc5#
- 1...Sc6
- 2.Sxb5#
- 2.Bc5#
- 1...Se6
- 2.Sf5#
- 1...e4
- 2.Bg3#
- 1...Bh3
- Tries
- 1.Sf5+?
- 1...Sxf5
- 2.Bc5#
- 1...Bxf5!
- 1...Sxf5
- 1.Bg1?
- 1...Bh3
- 2.Se8#
- 1...Bg4
- 2.Se8#
- 1...Bf5
- 2.Se8#
- 1...Bc6
- 2.Sc8#
- 1...Be6
- 2.Se8#
- 1...Bc8
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sc2
- 2.Bc5#
- 1...Se2
- 2.Bc5#
- 1...Sf3
- 2.Bc5#
- 1...Sf5
- 2.Bc5#
- 1...Sc6
- 2.Sxb5#
- 2.Bc5#
- 1...Se6
- 2.Sf5#
- 1...e4
- 2.Bh2#
- 1...Sb3!
- 1...Bh3
- 1.Be3?
- 1...Bh3
- 2.Se8#
- 1...Bg4
- 2.Se8#
- 1...Bf5
- 2.Se8#
- 1...Bc6
- 2.Sc8#
- 1...Be6
- 2.Se8#
- 1...Bc8
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sc2
- 2.Bc5#
- 1...Se2
- 2.Bc5#
- 1...Sf3
- 2.Bc5#
- 1...Sf5
- 2.Bc5#
- 1...Sc6
- 2.Sxb5#
- 2.Bc5#
- 1...Se6
- 2.Sf5#
- 1...e4
- 2.Bf4#
- 1...Sb3!
- 1...Bh3
- 1.Bg3?
- threat
- 2.Bxe5#
- 1...Be6
- 2.Se8#
- 1...Sc6
- 2.Sxb5#
- 1...Se6
- 2.Sf5#
- 1...Sf3!
- threat
- 1.Bxd4?
- threat
- 2.Bc5#
- 2.Bxe5#
- 1...Be6
- 2.Se8#
- 2.Bc5#
- 1...e4
- 2.Bc5#
- 2.Be5#
- 1...exd4!
- threat
- 1.Bd1?
- 1...Bh3
- 2.Se8#
- 1...Bg4
- 2.Se8#
- 1...Bf5
- 2.Se8#
- 1...Bc6
- 2.Sc8#
- 1...Be6
- 2.Se8#
- 1...Bc8
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sc2
- 2.Bc5#
- 1...Se2
- 2.Bc5#
- 1...Sf3
- 2.Bc5#
- 1...Sf5
- 2.Bc5#
- 1...Sc6
- 2.Sxb5#
- 2.Bc5#
- 1...Se6
- 2.Sf5#
- 1...e4
- 2.Bg3#
- 1...Sb3!
- 1...Bh3
- 1.Be2?
- 1...Sxe2
- 2.Bc5#
- 1...Bh3
- 2.Se8#
- 1...Bg4
- 2.Se8#
- 1...Bf5
- 2.Se8#
- 1...Bc6
- 2.Sc8#
- 1...Be6
- 2.Se8#
- 1...Bc8
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sc2
- 2.Bc5#
- 1...Sf3
- 2.Bc5#
- 1...Sf5
- 2.Bc5#
- 1...Sc6
- 2.Sxb5#
- 2.Bc5#
- 1...Se6
- 2.Sf5#
- 1...e4
- 2.Bg3#
- 1...Sb3!
- 1...Sxe2
- 1.Bf3?
- 1...Sxf3
- 2.Bc5#
- 1...Bh3
- 2.Se8#
- 1...Bg4
- 2.Se8#
- 1...Bf5
- 2.Se8#
- 1...Bc6
- 2.Sc8#
- 1...Be6
- 2.Se8#
- 1...Bc8
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sc2
- 2.Bc5#
- 1...Se2
- 2.Bc5#
- 1...Sf5
- 2.Bc5#
- 1...Sc6
- 2.Sxb5#
- 2.Bc5#
- 1...Se6
- 2.Sf5#
- 1...e4
- 2.Bg3#
- 1...Sb3!
- 1...Sxf3
- 1.Bg6?
- 1...Bh3
- 2.Se8#
- 1...Bg4
- 2.Se8#
- 1...Bf5
- 2.Se8#
- 1...Bc6
- 2.Sc8#
- 1...Be6
- 2.Se8#
- 1...Bc8
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sc2
- 2.Bc5#
- 1...Se2
- 2.Bc5#
- 1...Sf3
- 2.Bc5#
- 1...Sf5
- 2.Bc5#
- 1...Sc6
- 2.Sxb5#
- 2.Bc5#
- 1...Se6
- 2.Sf5#
- 1...e4
- 2.Bg3#
- 1...Sb3!
- 1...Bh3
- 1.Bf7?
- 1...Bh3
- 2.Se8#
- 1...Bg4
- 2.Se8#
- 1...Bf5
- 2.Se8#
- 1...Bc6
- 2.Sc8#
- 1...Be6
- 2.Se8#
- 1...Bc8
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sc2
- 2.Bc5#
- 1...Se2
- 2.Bc5#
- 1...Sf3
- 2.Bc5#
- 1...Sf5
- 2.Bc5#
- 1...Sc6
- 2.Sxb5#
- 2.Bc5#
- 1...Se6
- 2.Sf5#
- 1...e4
- 2.Bg3#
- 1...Sb3!
- 1...Bh3
- 1.Re6+?
- 1...Sxe6
- 2.Sf5#
- 1...Bxe6!
- 1...Sxe6
- 1.Sf5+?
- Keys
- 1.Bg4!
- threat
- 2.Rxd7#
- 1...Bxg4
- 2.Se8#
- 1...Bf5
- 2.Se8#
- 1...Bc6
- 2.Sc8#
- 1...Be6
- 2.Se8#
- 1...Bc8
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sf5
- 2.Bc5#
- 1...Se6
- 2.Sf5#
- 1...e4
- 2.Bg3#
- threat
- 1.Bg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- B(f);N_GUARD::S(I)
- B(f);N_GUARD,SBLOCK::S(G)
- B(f);N_GUARD::S(I),XB(f)
- S(a);OGATE::B(B)
- S(a);N_GUARD,S_CUTB(f)::S(I)
- P(d);OGATEB::B(B)
- Tries
- Try
- S(I);CHECK
- Vars
- S(a);OGATE,XS(I)::B(B)
- Refutation
- B(f);XS(I)
- Try
- B(B);
- Vars
- B(f);N_GUARD::S(I)
- B(f);N_GUARD,SBLOCK::S(G)
- B(f);N_GUARD::S(I),XB(f)
- S(a);OGATE::B(B)
- S(a);N_GUARD,S_CUTB(f)::S(I)
- P(d);OGATEB::B(B)
- Refutation
- S(a);
- Try
- B(B);
- Vars
- B(f);N_GUARD::S(I)
- B(f);N_GUARD,SBLOCK::S(G)
- B(f);N_GUARD::S(I),XB(f)
- S(a);OGATE::B(B)
- S(a);N_GUARD,S_CUTB(f)::S(I)
- P(d);OGATEB::B(B)
- Refutation
- S(a);
- Try
- B(B);P_PINP(d)
- Threat
- B(B),XP(d)
- Vars
- B(f);N_GUARD::S(I)
- S(a);N_GUARD,SBLOCK,S_CUTB(f)::S(G),XP(b)
- S(a);N_GUARD,S_CUTB(f)::S(I)
- Refutation
- S(a);
- Try
- B(B);XS(a)
- Threat
- DUALS(2)
- Refutation
- P(d);XB(B)
- Try
- B(D);
- Vars
- B(f);N_GUARD::S(I)
- B(f);N_GUARD,SBLOCK::S(G)
- B(f);N_GUARD::S(I),XB(f)
- S(a);OGATE::B(B)
- S(a);N_GUARD,S_CUTB(f)::S(I)
- P(d);OGATEB::B(B)
- Refutation
- S(a);
- Try
- B(D);
- Vars
- S(a);OGATE,XB(D)::B(B)
- B(f);N_GUARD::S(I)
- B(f);N_GUARD,SBLOCK::S(G)
- B(f);N_GUARD::S(I),XB(f)
- S(a);OGATE::B(B)
- S(a);N_GUARD,S_CUTB(f)::S(I)
- P(d);OGATEB::B(B)
- Refutation
- S(a);
- Try
- B(D);
- Vars
- S(a);OGATE,XB(D)::B(B)
- B(f);N_GUARD::S(I)
- B(f);N_GUARD,SBLOCK::S(G)
- B(f);N_GUARD::S(I),XB(f)
- S(a);OGATE::B(B)
- S(a);N_GUARD,S_CUTB(f)::S(I)
- P(d);OGATEB::B(B)
- Refutation
- S(a);
- Try
- B(D);
- Vars
- B(f);N_GUARD::S(I)
- B(f);N_GUARD,SBLOCK::S(G)
- B(f);N_GUARD::S(I),XB(f)
- S(a);OGATE::B(B)
- S(a);N_GUARD,S_CUTB(f)::S(I)
- P(d);OGATEB::B(B)
- Refutation
- S(a);
- Try
- B(D);
- Vars
- B(f);N_GUARD::S(I)
- B(f);N_GUARD,SBLOCK::S(G)
- B(f);N_GUARD::S(I),XB(f)
- S(a);OGATE::B(B)
- S(a);N_GUARD,S_CUTB(f)::S(I)
- P(d);OGATEB::B(B)
- Refutation
- S(a);
- Try
- R(H);CHECK
- Vars
- S(a);SBLOCK,XR(H)::S(I)
- Refutation
- B(f);XR(H)
- Try
- Actual
- B(D);
- Threat
- R1(H),XB(f)
- Vars
- B(f);N_GUARD,XB(D)::S(I)
- B(f);N_GUARD::S(I)
- B(f);N_GUARD,SBLOCK::S(G)
- B(f);N_GUARD::S(I),XB(f)
- S(a);OGATE::B(B)
- S(a);N_GUARD,S_CUTB(f)::S(I)
- P(d);OGATEB::B(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).