MESON Chess Problem Database

Problem Display
PID: 138497 (1q2bBB1/2p5/4R3/3k1N2/3p1R2/2b5/3N3K/8 w - - 0 1)

Kisis, Imants J

3rd HM., BCF 116. Ty., 1967-1968

1q2bBB1/2p5/4R3/3k1N2/3p1R2/2b5/3N3K/8

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd2
      • 2.Rxd4#
    • 1...Bb4
      • 2.Rxd4#
    • 1...Ba5
      • 2.Rxd4#
    • 1...Bc6
      • 2.Re1#
      • 2.Re2#
      • 2.Re3#
      • 2.Ree4#
      • 2.Re8#
    • 1...d3
      • 2.Se3#
    • 1...c5
      • 2.Se7#
    • 1...c6
      • 2.Rxe8#
  • Keys
    • 1.Rfe4!
      • threat
        • 2.R4e5#
      • 1...c5+
        • 2.Rd6#
      • 1...c6+
        • 2.R6e5#
      • 1...Bxd2
        • 2.Rxd4#
      • 1...d3
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD,XS(A)::R1(C),XP(b)
    • B(a);N_GUARD::R1(C),XP(b)
    • P(b);N_GUARD::S(D)
    • P(d);P_PINR(C),SBLOCK::S(D)
    • P(d);P_PINR(C),SBLOCK::B(G)+R(E),XB(f)
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • P(d);CHECK,SBLOCK::B(G)+R(E),DCHECK
      • B(a);N_GUARD,XS(A)::R1(C),XP(b)
      • P(b);N_GUARD::S(D)
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