MESON Chess Problem Database

Problem Display
PID: 259875 (8/1Kpp4/2Q2B1N/p4p1b/Rn3k1N/3P1q2/3P1R1P/5rr1 w - - 0 1)

Gomez, Luis

Tolosa-100 MT (Problemas), 2016

8/1Kpp4/2Q2B1N/p4p1b/Rn3k1N/3P1q2/3P1R1P/5rr1

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Sg2#
    • 1...Rg2
      • 2.Sxg2#
    • 1...Rg4
      • 2.Qxf3#
    • 1...Bg4
      • 2.Sg6#
    • 1...Bg6
      • 2.Qxf3#
    • 1...Bf7
      • 2.Qxf3#
    • 1...Be8
      • 2.Qxf3#
    • 1...d5
      • 2.Qxc7#
  • Tries
    • 1.Sxf3?
      • threat
        • 2.Be5#
        • 2.Qc4#
      • 1...Rxf2
        • 2.Be5#
      • 1...Bxf3
        • 2.Qxf3#
      • 1...dxc6
        • 2.Be5#
      • 1...Rc1
        • 2.Be5#
      • 1...Bf7
        • 2.Be5#
      • 1...d5
        • 2.Be5#
        • 2.Qxc7#
      • 1...d6
        • 2.Qc4#
      • 1...Re1!
    • 1.Sg6+?
      • 1...Bxg6
        • 2.Qxf3#
      • 1...Rxg6!
    • 1.Rxf3+?
      • 1...Rxf3
        • 2.Qc4#
      • 1...Bxf3!
  • Keys
    • 1.Rxa5!
      • threat
        • 2.Rxf5#
      • 1...Rg5
        • 2.Be5#
      • 1...Bg4
        • 2.Sg6#
      • 1...Bg6
        • 2.Qxf3#
      • 1...Sd5
        • 2.Qc4#
      • 1...d5
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(b);N_GUARD::S(F)
    • R(b);N_GUARD::S(F),XR(b)
    • R(b);S_CUTB(h)::QAR1(G),XQ(c)
    • B(h);N_GUARD,S_CUTR(b)::S(F)
    • B(h);N_GUARD::QAR1(G),XQ(c)
    • P(j);N_PINQ(G)::QAB(G),XP(i)
  • Tries
    • Try
      • S(F);N_SPINQ(G),XQ(c)
      • Threat
        • DUALS(2)
      • Vars
        • R(a);XR(B)::B(H)
        • B(h);OGATE,P_PINQ(G),P_SPINB(h),XS(F)::QAR1(G),XB(h)
        • P(j);XQ(G)::B(H)
        • R(a);::B(H)
        • B(h);::B(H)
        • P(j);::QAR(G)
      • Refutation
        • R(a);
    • Try
      • S(F);CHECK
      • Vars
        • B(h);XS(F)::QAR1(G),XQ(c)
      • Refutation
        • R(b);XS(F)
    • Try
      • R(B);CHECK,N_SPINQ(G),XQ(c)
      • Vars
        • R(a);XR(B)::QAR(G)
      • Refutation
        • B(h);P_PINQ(G),XR(B)
  • Actual
    • R(E);N_PINS(d),XP(f)
    • Threat
      • R1(E),XP(g)
    • Vars
      • R(b);SBLOCK::B(H)
      • B(h);N_GUARD,S_CUTR(b)::S(F)
      • B(h);N_GUARD::QAR1(G),XQ(c)
      • S(d);N_PINQ(G)::QAR(G)
      • P(j);N_PINQ(G)::QAB(G),XP(i)
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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).