MESON Chess Problem Database

Problem Display
PID: 116047 (b7/8/6BK/2p5/3rP3/2B5/P1kPQ3/7R w - - 0 1)

Gavriliv, Evgeni M

Canadian Chess Chat, 1982

b7/8/6BK/2p5/3rP3/2B5/P1kPQ3/7R

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Qxd2#
    • 1...Rd3
      • 2.Qd1#
    • 1...Rd5
      • 2.exd5#
  • Keys
    • 1.Ba1!
      • threat
        • 2.d3#
      • 1...Rxd2
        • 2.Qc4#
      • 1...Rxe4
        • 2.d4#
      • 1...Rd3
        • 2.Qd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(b);OGATE,P_SPINR(b),XP(C)::QAR1(D),XR(b)
    • R(b);SBLOCK::QAB1(D)
    • R(b);OGATE::B(G)+P(F),XR(b)
  • Actual
    • B(E);
    • Threat
      • QAR(D)+P(C)
    • Vars
      • R(b);N_GUARD,P_SPINR(b),SBLOCK,XP(C)::QAR2(D)
      • R(b);OGATE,P_SPINR(b),XP(F)::QAR(D)+P(C)
      • R(b);SBLOCK::QAB1(D)
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