MESON Chess Problem Database

Problem Display
PID: 170115 (2Q4R/3r1p1n/3p1BPp/7k/6Rp/4N2b/4PPp1/3B2K1 w - - 0 1)

Gygax, Raymond

Tages-Anzeiger, 2014

2Q4R/3r1p1n/3p1BPp/7k/6Rp/4N2b/4PPp1/3B2K1

#2

10 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sg5
      • 2.Rxg5#
    • 1...Sf8
      • 2.Rg5#
    • 1...fxg6
      • 2.Rxh4#
  • Tries
    • 1.Qxd7?
      • 1...Bxg4
        • 2.Qxg4#
      • 1...Sxf6
        • 2.Qf5#
      • 1...fxg6
        • 2.Rxh4#
      • 1...Sg5
        • 2.Rxg5#
      • 1...Sf8
        • 2.Rg5#
        • 2.Qf5#
      • 1...d5!
    • 1.Qc2?
      • threat
        • 2.Rxh4#
      • 1...Sxf6
        • 2.Qf5#
      • 1...Sg5
        • 2.Rxg5#
      • 1...Bxg4!
  • Keys
    • 1.Sd5!
      • 1...Kxg4
        • 2.e4#
      • 1...Bxg4
        • 2.Sf4#
      • 1...Sxf6
        • 2.Sxf6#
      • 1...fxg6
        • 2.Rxh4#
      • 1...Sg5
        • 2.Rxg5#
      • 1...Ra7
        • 2.Sf4#
      • 1...Rb7
        • 2.Sf4#
      • 1...Rc7
        • 2.Sf4#
      • 1...Re7
        • 2.Sf4#
      • 1...Rd8
        • 2.Sf4#
      • 1...Sf8
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(i);N_GUARD,P_SPINP(f)::R1(F),XS(i)
    • S(i);N_GUARD,P_SPINP(f)::R1(F)
    • P(h);SBLOCK,XP(H)::R1(F),XP(c)
  • Tries
    • Try
      • Q(I);XR(g)
      • Vars
        • B(b);OGATE,XR(F)::QAB1(I),XB(b)
        • S(i);N_GUARD,P_SPINP(f),XB(G)::QAR2(I)
        • P(h);SBLOCK,XP(H)::R1(F),XP(c)
        • S(i);N_GUARD,P_SPINP(f)::R1(F),XS(i)
      • Refutation
        • P(e);
    • Try
      • Q(I);
      • Threat
        • R1(F),XP(c)
      • Vars
        • S(i);N_GUARD,P_SPINP(f),XB(G)::QAR2(I)
        • S(i);N_GUARD,P_SPINP(f)::R1(F),XS(i)
      • Refutation
        • B(b);XR(F)
  • Actual
    • S(E);
    • Vars
      • K(d);P_SPINR(g),S_FLIGHT,XR(F)::B(A)+P(C)
      • B(b);SBLOCK,XR(F)::S(E)
      • S(i);P_SPINP(f),XB(G)::S(E),XS(i)
      • P(h);SBLOCK,XP(H)::R1(F),XP(c)
      • S(i);N_GUARD,P_SPINP(f)::R1(F),XS(i)
      • R(g);SBLOCK::S(E)
      • R(g);::S(E)
      • S(i);N_GUARD,P_SPINP(f)::R1(F)
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