MESON Chess Problem Database

Problem Display
PID: 277058 (2K1R3/8/1Q1pnB2/2Nk2b1/1n3P1N/1P1rp1r1/8/1B1R1b2 w - - 0 1)

Vinagre, Jose C

Phenix, 2005

2K1R3/8/1Q1pnB2/2Nk2b1/1n3P1N/1P1rp1r1/8/1B1R1b2

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd1
      • 2.Be4#
    • 1...Rd2
      • 2.Be4#
    • 1...Rd4
      • 2.Be4#
    • 1...dxc5
      • 2.Qxe6#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Se7#
        • 2.Qxd6#
      • 1...Bxf4
        • 2.Se7#
      • 1...Bxf6
        • 2.Qxd6#
      • 1...Sxc5
        • 2.Qxd6#
      • 1...dxc5
        • 2.Qxe6#
      • 1...Sc6!
    • 1.Sxe6?
      • threat
        • 2.Sc7#
      • 1...Ke4
        • 2.Qd4#
      • 1...Sa6
        • 2.Qb7#
      • 1...Bh3!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sc3#
      • 1...Kxe4
        • 2.Qd4#
      • 1...Bxf6
        • 2.Sxf6#
      • 1...Sa2
        • 2.Qb7#
      • 1...Sd4
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • R(b);N_SPINR(b),OGATE,XR(B)::B(A)
    • R(b);OGATE::B(A)
    • P(h);OGATE,SBLOCK,XS(F)::QAB1(G),XS(i)
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • B(g);XP(D)::S(E)
        • B(g);XB(H)::QAR1(G),XP(h)
        • S(i);XS(F)::QAR1(G),XP(h)
        • P(h);OGATE,SBLOCK,XS(F)::QAB1(G),XS(i)
      • Refutation
        • S(e);
    • Try
      • S(F);XS(i)
      • Threat
        • S(F)
      • Vars
        • K(f);N_GUARD,S_FLIGHT::QAR1(G)
        • S(e);N_GUARD::QAB(G)
      • Refutation
        • B(a);P_PINS(F)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(f);N_GUARD,P_SPINS(i),S_FLIGHT,XS(F)::QAR1(G)
      • B(g);XB(H)::S(F),XB(g)
      • S(e);N_GUARD::QAB(G)
      • S(i);N_SPINR(b)::QAR1(G),XP(h)
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).