MESON Chess Problem Database
Problem Display
PID: 138261 (5r2/1pQ5/1P6/3PN1R1/pN1k4/2p2pKb/q1p5/4R3 w - - 0 1)
Janevski, Zivko
Probleemblad, 2010
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Qc4#
- 1...Qc4
- 2.Qxc4#
- 1...Qxd5
- 2.Sxc2#
- 1...Qa1
- 2.Qc4#
- 1...Qb2
- 2.Qc4#
- 1...Qa3
- 2.Qc4#
- 1...Ra8
- 2.Sxf3#
- 1...Rb8
- 2.Sxf3#
- 1...Rc8
- 2.Sxf3#
- 1...Rd8
- 2.Sxf3#
- 1...Re8
- 2.Sxf3#
- 1...Rg8
- 2.Sxf3#
- 1...Rh8
- 2.Sxf3#
- 1...Bf5
- 2.Sxf3#
- 1...Qb1
- Tries
- 1.Sxc2+?
- 1...Qxc2
- 2.Qc4#
- 1...Kxd5!
- 1...Qxc2
- 1.Sd7?
- threat
- 2.Qc5#
- 1...Qxd5
- 2.Rxd5#
- 1...Qc4
- 2.Qe5#
- 1...Rc8
- 2.Qf4#
- 1...Bxd7!
- threat
- 1.Rg4+?
- 1...Rf4
- 2.Sxf3#
- 2.Rxf4#
- 1...Bxg4!
- 1...Rf4
- 1.Sxc2+?
- Keys
- 1.Sed3!
- threat
- 2.Qc5#
- 1...Qxd5
- 2.Rxd5#
- 1...Qc4
- 2.Qe5#
- 1...Rc8
- 2.Qf4#
- threat
- 1.Sed3!
This is a version of 134478
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- Q(a);N_GUARD::QAR1(H)
- Q(a);N_GUARD::QAR1(H),XQ(a)
- Q(a);N_GUARD,SBLOCK,XP(D)::S(C),XP(b)
- R(i);N_GUARD::S(E),XP(d)
- R(i);N_GUARD,P_PINR(F)::S(E),XP(d)
- B(e);S_CUTR(i)::S(E),XP(d)
- Tries
- Try
- S(C);CHECK,XP(b)
- Vars
- Q(a);XS(C)::QAR1(H)
- Refutation
- K(g);P-FLIGHT,XP(D)
- Try
- S(E);
- Threat
- QAB1(H)
- Vars
- Q(a);OGATE,XP(D)::R1(F),XQ(a)
- Q(a);SBLOCK::QAB1(H)
- R(i);N_GUARD::QAR2(H)
- Refutation
- B(e);XS(E)
- Try
- R(F);CHECK
- Refutation
- B(e);XR(F)
- Try
- Actual
- S(E);
- Threat
- QAB1(H)
- Vars
- Q(a);OGATE,XP(D)::R1(F),XQ(a)
- Q(a);SBLOCK::QAB1(H)
- R(i);N_GUARD::QAR2(H)
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).