MESON Chess Problem Database

Problem Display
PID: 194862 (bbn4B/6R1/4Pk2/3n3R/3P1p2/3p1N2/B6p/Q6K w - - 0 1)

Guidelli, Giorgio

2nd Prize, Good Companions, 1918

bbn4B/6R1/4Pk2/3n3R/3P1p2/3p1N2/B6p/Q6K

#2

9 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sc7
      • 2.d5#
    • 1...Sde7
      • 2.Rg1#
      • 2.Rg2#
      • 2.Rg3#
      • 2.Rg4#
      • 2.Rgg5#
      • 2.Rg8#
  • Tries
    • 1.Rgh7+?
      • 1...Kg6
        • 2.Sh4#
        • 2.R7h6#
      • 1...Kxe6!
  • Keys
    • 1.Sh4!
      • threat
        • 2.Rh6#
      • 1...Sc3+
        • 2.Rb7#
      • 1...Se3+
        • 2.Rb7#
      • 1...Sb4+
        • 2.Rb7#
      • 1...Sdb6+
        • 2.Rb7#
      • 1...Sc7+
        • 2.d5#
      • 1...Sde7+
        • 2.Rg2#
      • 1...Kxe6
        • 2.Rh6#
      • 1...Sce7
        • 2.Rg6#

This is a version of 21342

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(d);OGATE,P_PINS(D)::QAB(A)+P(E)
  • Tries
    • Try
      • R(H);CHECK
      • Refutation
        • K(e);P-FLIGHT,P_SPINS(d),XP(G)
  • Actual
    • S(D);
    • Threat
      • R(F)
    • Vars
      • S(d);CHECK::B(I)+R(H)
      • S(d);CHECK,OGATE::QAB(A)+P(E)
      • S(d);CHECK,SBLOCK::B(I)+R(H)
      • K(e);P-FLIGHT,P_SPINS(d),XP(G)::R(F)
      • S(h);SBLOCK::B(I)+R(H),DCHECK
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