MESON Chess Problem Database
Problem Display
PID: 255930 (4n1b1/6n1/1pQP1P2/3PkPB1/4N3/3K4/8/5R1B w - - 0 1)
Burr, Otto
Zadachi i Etyudi, 2007
#2
10 + 5
SOLUTION
- SOUND
- Sets
- 1...Bxd5
- 2.Qc3#
- 1...Sxf5
- 2.Bf4#
- 1...Sxd6
- 2.Qxd6#
- 1...Sxf6
- 2.Bxf6#
- 1...Bxd5
- Tries
- 1.Sd2?
- threat
- 2.Sc4#
- 1...Bxd5
- 2.Qxd5#
- 1...Sxd6
- 2.Qc3#
- 1...b5!
- threat
- 1.Bc1?
- threat
- 2.Bb2#
- 1...Sxf5
- 2.Bf4#
- 1...Se6!
- threat
- 1.Bd2?
- threat
- 2.Bc3#
- 1...Sxf5
- 2.Bf4#
- 1...Se6!
- threat
- 1.Be3?
- threat
- 2.Bd4#
- 1...Sxf5
- 2.Bf4#
- 1...Se6!
- threat
- 1.Qc4?
- threat
- 2.Qd4#
- 1...Sxf5
- 2.Bf4#
- 1...Se6!
- threat
- 1.Sd2?
- Keys
- 1.Sg3!
- threat
- 2.Re1#
- 1...Bxd5
- 2.Qxd5#
- 1...Sxf5
- 2.Rxf5#
- 1...Sxd6
- 2.Qc3#
- 1...Sxf6
- 2.Bf4#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(e);SBLOCK,XP(E)::QAB(H)
- S(c);SBLOCK,XP(F)::B(G)
- S(d);OGATE,XP(I)::QAB1(H),XS(d)
- S(d);OGATE,XP(J)::B(G),XS(d)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- B(e);OGATE,XP(E)::QAR1(H),XB(e)
- S(d);SBLOCK,XP(I)::QAB(H)
- Refutation
- P(b);
- Try
- B(G);
- Threat
- B(G)
- Vars
- S(c);SBLOCK,XP(F)::B(G)
- Refutation
- S(c);
- Try
- B(G);
- Threat
- B(G)
- Vars
- S(c);SBLOCK,XP(F)::B(G)
- Refutation
- S(c);
- Try
- B(G);
- Threat
- B(G)
- Vars
- S(c);SBLOCK,XP(F)::B(G)
- Refutation
- S(c);
- Try
- Q(H);
- Threat
- QAB1(H)
- Vars
- S(c);SBLOCK,XP(F)::B(G)
- Refutation
- S(c);
- Try
- Actual
- S(D);
- Threat
- R(A)
- Vars
- B(e);OGATE,XP(E)::QAR1(H),XB(e)
- S(c);OGATE,XP(F)::R1(A),XS(c)
- S(d);SBLOCK,XP(I)::QAB(H)
- S(d);SBLOCK,XP(J)::B(G)
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).