MESON Chess Problem Database

Problem Display
PID: 71702 (n1B2Bn1/N3q2p/3k3r/7r/2RPbP1p/3pQp2/3P1P2/4K3 w - - 0 1)

Gavrilov, Constantin Grigorievich

La Strategia, 1936

n1B2Bn1/N3q2p/3k3r/7r/2RPbP1p/3pQp2/3P1P2/4K3

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Rc6#
    • 1...Bd5
      • 2.Sb5#
    • 1...Bf5
      • 2.Qe5#
    • 1...Bg6
      • 2.Qe6#
  • Keys
    • 1.d5!
      • threat
        • 2.Qc5#
      • 1...Kxd5
        • 2.Qd4#
      • 1...Rxd5
        • 2.Rc6#
      • 1...Bxd5
        • 2.Sb5#
      • 1...Bf5
        • 2.Qe5#
      • 1...Bg6
        • 2.Qe6#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(e);SBLOCK,S_CUTB(c)::R1(E)
    • B(c);P_PINQ(D),SBLOCK,S_CUTR(e)::S(H)
    • B(c);OGATE,P_PINQ(D)::QAB1(D)
    • B(c);OGATE,P_PINQ(D)::QAR1(D)
  • Actual
    • P(F);
    • Threat
      • QAB1(D)
    • Vars
      • K(f);N_SPINQ(h),OGATEB,P-FLIGHT,XP(F)::QAR1(D)
      • R(e);SBLOCK,XP(F)::R1(E)
      • B(c);P_PINQ(D),SBLOCK,XP(F)::S(H)
      • B(c);OGATE,P_PINQ(D)::QAB1(D)
      • B(c);OGATE,P_PINQ(D)::QAR1(D)
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