MESON Chess Problem Database

Problem Display
PID: 261074 (2Q2n2/1p6/1P6/2BP2p1/pP1Rn2p/2k5/K7/3BNN2 w - - 0 1)

Robert, Philippe

Neue Zurcher Zeitung, 2012

2Q2n2/1p6/1P6/2BP2p1/pP1Rn2p/2k5/K7/3BNN2

#2

10 + 7

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sxc5
      • 2.Qxc5#
    • 1...Sd6
      • 2.Qh3#
    • 1...Sf6
      • 2.Qh3#
  • Tries
    • 1.Sd2?
      • threat
        • 2.Sb1#
        • 2.Sxe4#
        • 2.Rd3#
      • 1...Sxc5
        • 2.Qxc5#
      • 1...Sf2
        • 2.Sb1#
      • 1...Sg3
        • 2.Sb1#
        • 2.Rd3#
      • 1...Sd6
        • 2.Sb1#
        • 2.Rd3#
        • 2.Qh3#
      • 1...Sf6
        • 2.Sb1#
        • 2.Rd3#
        • 2.Qh3#
      • 1...Sxd2!
    • 1.Se3?
      • threat
        • 2.Rd3#
      • 1...Sxc5
        • 2.Qxc5#
      • 1...Sf2!
    • 1.Be2?
      • threat
        • 2.Rc4#
      • 1...Sd6
        • 2.Qh3#
      • 1...Sd2!
    • 1.Bb3?
      • threat
        • 2.Rd3#
        • 2.Rc4#
      • 1...Sxc5
        • 2.Rc4#
        • 2.Qxc5#
      • 1...Sd2
        • 2.Rd3#
      • 1...Sf2
        • 2.Rc4#
      • 1...Sd6
        • 2.Rd3#
        • 2.Qh3#
      • 1...axb3+!
    • 1.Bd6+?
      • 1...Sc5
        • 2.Qxc5#
      • 1...Kxd4!
    • 1.Be7+?
      • 1...Sc5
        • 2.Qxc5#
      • 1...Kxd4!
    • 1.Bxf8+?
      • 1...Sc5
        • 2.Qxc5#
      • 1...Kxd4!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qf3#
      • 1...Sxc5
        • 2.Rc4#
      • 1...Sd2
        • 2.Rd3#
      • 1...Sf2
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(c);OGATE,P_SPINS(c),XB(G)::QAR2(J),XS(c)
    • S(c);N_GUARD::QAR(J)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(3)
      • Vars
        • S(c);OGATE,P_SPINS(c),XB(G)::QAR2(J),XS(c)
        • S(c);::S(C)
      • Refutation
        • S(c);XS(C)
    • Try
      • S(C);
      • Threat
        • R1(F)
      • Vars
        • S(c);OGATE,P_SPINS(c),XB(G)::QAR2(J),XS(c)
      • Refutation
        • S(c);
    • Try
      • B(A);
      • Threat
        • R1(F)
      • Vars
        • S(c);N_GUARD::QAR(J)
      • Refutation
        • S(c);
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::R1(F)
      • Refutation
        • P(b);CHECK,XB(A)
    • Try
      • B(G);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAR2(J),XS(c)
      • Refutation
        • K(a);S_FLIGHT,XR(F)
    • Try
      • B(G);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAR2(J),XS(c)
      • Refutation
        • K(a);S_FLIGHT,XR(F)
    • Try
      • B(G);CHECK,XS(g)
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAR2(J),XS(c)
      • Refutation
        • K(a);S_FLIGHT,XR(F)
  • Actual
    • Q(J);
    • Threat
      • QAR(J)
    • Vars
      • S(c);XB(G)::R1(F)
      • S(c);::R1(F)
HTML5 logo

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).