MESON Chess Problem Database

Problem Display
PID: 245865 (1B4B1/2n5/4b3/1Pp4N/4kP2/1P1R3n/2NKP1p1/3R4 w - - 0 1)

Dimitrov, Nikolai

Europa-Rochade, 2002

1B4B1/2n5/4b3/1Pp4N/4kP2/1P1R3n/2NKP1p1/3R4

#2

11 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb3
      • 2.Bh7#
    • 1...Bc4
      • 2.Bh7#
    • 1...Bd5
      • 2.Bh7#
    • 1...Bf5
      • 2.Re3#
    • 1...Sxb5
      • 2.Sg3#
    • 1...Sd5
      • 2.Sg3#
    • 1...Sa6
      • 2.Sg3#
    • 1...Sa8
      • 2.Sg3#
    • 1...Se8
      • 2.Sg3#
  • Tries
    • 1.Re3+?
      • 1...Kd5
        • 2.Kc1#
        • 2.Ke1#
        • 2.Kc3#
      • 1...Kf5!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Re5#
      • 1...Kxd5
        • 2.Ke3#
      • 1...Bxd5
        • 2.Bh7#
      • 1...Sxf4
        • 2.Sf6#
      • 1...Sxd5
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • B(e);N_GUARD,XP(E)::B(K)
    • B(e);N_GUARD::B(K)
    • B(e);SBLOCK::R1(F)
    • S(f);XP(H)::S(I)
    • S(f);::S(I)
  • Tries
    • Try
      • R(F);CHECK
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(F);
    • Threat
      • R1(F)
    • Vars
      • K(c);P_SPINB(e),S_FLIGHT,XR(F)::R(A)+K(C)
      • B(e);N_GUARD,SBLOCK,XR(F)::B(K)
      • S(b);SBLOCK,XP(G)::S(I)
      • S(f);SBLOCK,XR(F)::S(I)
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