MESON Chess Problem Database
Problem Display
PID: 160002 (7Q/8/3p4/3PnpB1/pP3n2/PN2kP2/BP2PR2/4RK2 w - - 0 1)
Labai, Zoltan
Best Problems, 2011
#2
13 + 6
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Qd4#
- 1...Sc4
- 2.Qc3#
- 2.Qd4#
- 1...Sg4
- 2.Qc3#
- 2.Qd4#
- 1...Sc6
- 2.Qc3#
- 1...Sg6
- 2.Qc3#
- 2.Qd4#
- 1...Sd7
- 2.Qc3#
- 2.Qd4#
- 1...Sf7
- 2.Qc3#
- 2.Qd4#
- 1...Sd3
- Tries
- 1.Sc5?
- 1...Kd2
- 2.e4#
- 1...Kd4
- 2.e3#
- 1...Sxf3
- 2.Qc3#
- 2.exf3#
- 1...Sd3
- 2.exd3#
- 1...Sc4
- 2.Qc3#
- 1...Sg4
- 2.Qc3#
- 1...Sc6
- 2.Qc3#
- 1...Sg6
- 2.Qc3#
- 1...Sd7
- 2.Qc3#
- 1...Sf7
- 2.Qc3#
- 1...dxc5!
- 1...Kd2
- 1.Bb1?
- 1...Sxf3
- 2.Rxf3#
- 2.Qc3#
- 2.exf3#
- 1...Sd3
- 2.Qd4#
- 2.exd3#
- 1...Sc4
- 2.Qc3#
- 2.Qd4#
- 1...Sg4
- 2.Qc3#
- 2.Qd4#
- 1...Sc6
- 2.Qc3#
- 1...Sg6
- 2.Qc3#
- 2.Qd4#
- 1...Sd7
- 2.Qc3#
- 2.Qd4#
- 1...Sf7
- 2.Qc3#
- 2.Qd4#
- 1...axb3!
- 1...Sxf3
- 1.Sc5?
- Keys
- 1.Sc1!
- 1...Kd2
- 2.e4#
- 1...Kd4
- 2.e3#
- 1...Sxf3
- 2.exf3#
- 1...Sd3
- 2.exd3#
- 1...Sc4
- 2.Qc3#
- 1...Sg4
- 2.Qc3#
- 1...Sc6
- 2.Qc3#
- 1...Sg6
- 2.Qc3#
- 1...Sd7
- 2.Qc3#
- 1...Sf7
- 2.Qc3#
- 1...Kd2
- 1.Sc1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- S(d);OGATE::QAB1(M)
- S(d);OGATE::QAR2(M)
- Tries
- Try
- S(H);
- Vars
- K(a);OGATE,S_FLIGHT::R(F)+P(E)
- K(a);N_SPINS(c),OGATE,P_SPINS(d),S_FLIGHT::P(E)
- S(d);OGATE::R(A)+P(E),XS(d)
- S(d);OGATE::QAR2(M)
- Refutation
- P(f);XS(H)
- Try
- B(C);
- Vars
- S(d);OGATE::QAR2(M)
- Refutation
- P(b);XS(H)
- Try
- Actual
- S(H);
- Vars
- K(a);OGATE,S_FLIGHT::R(F)+P(E)
- K(a);N_SPINS(c),OGATE,P_SPINS(d),S_FLIGHT::P(E)
- S(d);OGATE,XP(I)::R(A)+P(E),XS(d)
- S(d);OGATE::R(A)+P(E),XS(d)
- S(d);OGATE::QAR2(M)
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).