MESON Chess Problem Database

Problem Display
PID: 241301 (1Q6/1P1Rp2K/1rPNP3/1p6/RN1k1p2/B1pnpP2/2BqP3/1b6 w - - 0 1)

Gavrilov, Constantin Grigorievich

Revista Romana de Sah, 1926

1Q6/1P1Rp2K/1rPNP3/1p6/RN1k1p2/B1pnpP2/2BqP3/1b6

#2

13 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Qh8#
  • Keys
    • 1.Bb3!
      • threat
        • 2.Se4#
      • 1...Sc5+
        • 2.Sf5#
      • 1...Se5+
        • 2.Sc2#
      • 1...Kc5
        • 2.Se4#
      • 1...Ke5
        • 2.Qh8#
      • 1...Rxc6
        • 2.Sxc6#
      • 1...Rxb7
        • 2.Sxb7#
      • 1...exd6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD,P_PINB(A),SBLOCK::QAB(M)
  • Actual
    • B(A);
    • Threat
      • R(K)+S(H)
    • Vars
      • S(d);CHECK,SBLOCK::R(K)+S(H),DCHECK
      • S(d);CHECK,SBLOCK::R(E)+S(F),DCHECK
      • K(f);S_FLIGHT::S(H)
      • K(f);S_FLIGHT::QAB(M)
      • R(i);XP(G)::R(E)+S(F),DCHECK,XR(i)
      • R(i);XP(J)::R(K)+S(H),XR(i)
      • P(j);OGATE,P_SPINP(j),XS(H)::QAR2(M),XP(j)
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