MESON Chess Problem Database
Problem Display
PID: 88191 (2N1Q3/p6n/1p1P4/1P1kPpnR/1PRN1b2/3K1p2/8/8 w - - 0 1)
Balasubramaniam, SK
The Problemist, 1992
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxe5
- 2.Qc6#
- 1...Sh3
- 2.Qe6#
- 1...Se4
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sf7
- 2.Qe6#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...Bxe5
- Tries
- 1.Sc2?
- threat
- 2.Rd4#
- 1...Bxe5
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Se6!
- threat
- 1.Sc6?
- threat
- 2.Rd4#
- 1...Bxe5
- 2.Qxe5#
- 1...Se6
- 2.S8e7#
- 1...Be3!
- threat
- 1.Qf7+?
- 1...Kxe5
- 2.Sc6#
- 2.Qxf5#
- 1...Se6
- 2.Qxe6#
- 1...Sxf7!
- 1...Kxe5
- 1.Sc2?
- Keys
- 1.Sxf5!
- threat
- 2.Rd4#
- 1...Bxe5
- 2.Se3#
- 1...Se6
- 2.Sfe7#
- 1...Be3
- 2.Sxe3#
- threat
- 1.Sxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- B(b);SBLOCK,XP(F)::QAB1(J)
- S(e);N_GUARD::QAB1(J)
- S(e);N_GUARD::QAB1(J),XS(e)
- P(g);N_GUARD::S(I),XP(f)
- Tries
- Try
- S(D);
- Threat
- R1(C)
- Vars
- B(b);N_GUARD,XP(F)::S(D)
- B(b);N_GUARD::S(D),XB(b)
- Refutation
- S(e);
- Try
- S(D);
- Threat
- R1(C)
- Vars
- B(b);OGATE,XP(F)::QAR1(J),XB(b)
- S(e);SBLOCK::S(I)
- Refutation
- B(b);
- Try
- Q(J);CHECK
- Vars
- S(e);N_GUARD,P_SPINS(e)::QAB1(J),XS(e)
- Refutation
- S(e);XQ(J)
- Try
- Actual
- S(D);XP(d)
- Threat
- R1(C)
- Vars
- B(b);N_GUARD,XP(F)::S(D)
- S(e);SBLOCK::S(D)
- B(b);N_GUARD::S(D),XB(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).