MESON Chess Problem Database

Problem Display
PID: 21342 (bb5B/6R1/4Pk2/3n3R/3P1p2/3p1N2/B6p/Q1n4K w - - 0 1)

Guidelli, Giorgio

2nd Prize, Good Companions (January black Knight), 1918

bb5B/6R1/4Pk2/3n3R/3P1p2/3p1N2/B6p/Q1n4K

#2

9 + 8

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Sc7
      • 2.d5#
    • 1...Se7
      • 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...Sb6+
        • 2.Rb7#
      • 1...Sc7+
        • 2.d5#
      • 1...Se7+
        • 2.Rg2#
      • 1...Kxe6
        • 2.Rh6#

This is a version

There are these versions: 100986, 194862

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(e);OGATE,P_PINS(D)::QAB(A)+P(E)
  • Tries
    • Try
      • R(H);CHECK
      • Refutation
        • K(f);P-FLIGHT,P_SPINS(e),XP(G)
  • Actual
    • S(D);
    • Threat
      • R(F)
    • Vars
      • S(e);CHECK::B(I)+R(H)
      • S(e);CHECK,OGATE::QAB(A)+P(E)
      • S(e);CHECK,SBLOCK::B(I)+R(H)
      • K(f);P-FLIGHT,P_SPINS(e),XP(G)::R(F)
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