MESON Chess Problem Database

Problem Display
PID: 241334 (3R2K1/1p2pQ2/pPk5/P2N2n1/4r3/1b2P3/3nB3/1R6 w - - 0 1)

Gavrilov, Constantin Grigorievich

Revista Romana de Sah, 1931

3R2K1/1p2pQ2/pPk5/P2N2n1/4r3/1b2P3/3nB3/1R6

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd5
      • 2.Qxd5#
    • 1...e5
      • 2.Qc7#
    • 1...e6
      • 2.Qc7#
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qc8#
      • 1...Bxd5+
        • 2.Qxd5#
      • 1...Kc5
        • 2.Qc8#
      • 1...Rc4
        • 2.Sxe7#
      • 1...Sc4
        • 2.Sb4#
      • 1...Re6
        • 2.Sb4#
      • 1...Se6
        • 2.Sxe7#
      • 1...e6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(b);OGATE,P_PINQ(G),XS(E)::QAB1(G),XB(b)
    • P(h);OGATE::QAR1(G)
  • Actual
    • Q(G);P_SPINS(E)
    • Threat
      • QAR2(G)
    • Vars
      • B(b);CHECK,OGATE,XS(E)::QAB1(G),XB(b)
      • K(f);P-FLIGHT::QAR(G)
      • R(c);N_PINS(E)::S(E),XP(h)
      • S(a);N_PINS(E)::S(E)
      • R(c);N_PINS(E)::S(E)
      • S(d);N_PINS(E)::S(E),XP(h)
      • P(h);N_PINS(E)::S(E)
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