MESON Chess Problem Database

Problem Display
PID: 241300 (1B1n1K2/6p1/2p1k3/r2N2P1/3bp2P/1B6/8/4Q3 w - - 0 1)

Gavrilov, Constantin Grigorievich

Revista Romana de Sah, 1926

1B1n1K2/6p1/2p1k3/r2N2P1/3bp2P/1B6/8/4Q3

#2

7 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6+?
      • 1...Kf5
        • 2.Qxe4#
      • 1...Rd5!
    • 1.Qxe4+?
      • 1...Be5
        • 2.Qg4#
      • 1...Kd7!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Qg4#
      • 1...Bc5+
        • 2.Se7#
      • 1...Kf5
        • 2.Se7#
      • 1...Kd7
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(e);N_SPINP(b),S_FLIGHT::QAB1(A),XP(b)
      • Refutation
        • R(c);P_SPINR(c)
    • Try
      • Q(A);CHECK,XP(b)
      • Vars
        • B(a);P_SPINB(a)::QAB(A)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • Q(A);N_PINP(b)
    • Threat
      • QAB(A)
    • Vars
      • B(a);CHECK,S_CUTR(c)::B(B)+S(D)
      • K(e);S_FLIGHT::S(D)
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