MESON Chess Problem Database

Problem Display
PID: 61936 (1Q6/2p2b2/2P2B2/p1KP4/p1B1pp2/k2ppq2/1N4rR/8 w - - 0 1)

Pilchenko, Viacheslav Karlovich

3rd Prize, Seneca MT, 1980

1Q6/2p2b2/2P2B2/p1KP4/p1B1pp2/k2ppq2/1N4rR/8

#2

8 + 11

3752 FIDE Album (1980-1982) 1988

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb2
      • 2.Bxb2#
      • 2.Qxb2#
  • Tries
    • 1.Kb5?
      • threat
        • 2.Qf8#
      • 1...Rxb2+
        • 2.Bxb2#
      • 1...Rg8
        • 2.Be7#
      • 1...Be8!
    • 1.Be7?
      • threat
        • 2.Kd4#
      • 1...Rxb2
        • 2.Qxb2#
      • 1...Rg6!
    • 1.Qb5?
      • threat
        • 2.Qxa4#
      • 1...Rxb2
        • 2.Bxb2#
        • 2.Qxb2#
      • 1...Qd1!
    • 1.Qf8?
      • threat
        • 2.Kb5#
      • 1...Rxb2
        • 2.Bxb2#
      • 1...Rg8!
  • Keys
    • 1.Kd4!
      • threat
        • 2.Be7#
      • 1...Rxb2
        • 2.Qxb2#
      • 1...Rg6
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • QAB(H)
      • Vars
        • R(a);CHECK,OGATE,XS(A)::B(G),XR(a)
        • R(a);::B(G)
      • Refutation
        • B(k);P_PINP(F)
    • Try
      • B(G);
      • Threat
        • B(G)+K(D)
      • Vars
        • R(a);OGATE,XS(A)::QAB1(H),XR(a)
      • Refutation
        • R(a);
    • Try
      • Q(H);
      • Threat
        • QAR1(H),XP(f)
      • Refutation
        • Q(e);
    • Try
      • Q(H);
      • Threat
        • QAB(H)+K(D)
      • Vars
        • R(a);OGATE,XS(A)::B(G),XR(a)
      • Refutation
        • R(a);
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • B(G)
    • Vars
      • R(a);OGATE,XS(A)::QAB1(H),XR(a)
      • R(a);::QAB(H)
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