MESON Chess Problem Database
Problem Display
PID: 196247 (6n1/7N/Q6p/3kp2P/1K6/8/4B3/6B1 w - - 0 1)
Lebloch, Ivo
Sachova skladba, 1986
#2
6 + 4
SOLUTION
- SOUND
- Sets
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...Sf6
- Tries
- 1.Sg5?
- threat
- 2.Bc4#
- 2.Qe6#
- 1...e4
- 2.Qe6#
- 1...hxg5!
- threat
- 1.Be3?
- 1...Ke4
- 2.Qd3#
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...e4!
- 1...Ke4
- 1.Bc5?
- 1...e4
- 2.Qd6#
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...Ke4!
- 1...e4
- 1.Bd3?
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...e4!
- 1...Sf6
- 1.Sg5?
- Keys
- 1.Bg4!
- 1...Ke4
- 2.Qc4#
- 1...e4
- 2.Qe6#
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...Ke4
- 1.Bg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::S(F),XS(d)
- S(d);N_GUARD::S(F)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- P(b);::QAB1(E)
- Refutation
- P(c);XS(F)
- Try
- B(A);
- Vars
- K(a);S_FLIGHT::QAB1(E)
- S(d);N_GUARD::S(F),XS(d)
- S(d);N_GUARD::S(F)
- Refutation
- P(b);
- Try
- B(A);
- Vars
- P(b);SBLOCK::QAR1(E)
- S(d);N_GUARD::S(F),XS(d)
- S(d);N_GUARD::S(F)
- Refutation
- K(a);S_FLIGHT
- Try
- B(B);
- Vars
- S(d);N_GUARD::S(F),XS(d)
- S(d);N_GUARD::S(F)
- Refutation
- P(b);
- Try
- Actual
- B(B);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- P(b);::QAB1(E)
- S(d);N_GUARD::S(F),XS(d)
- S(d);N_GUARD::S(F)
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).