MESON Chess Problem Database

Problem Display
PID: 266822 (bB5K/2Q3Np/8/3kpRr1/1b1N1R2/8/2n5/4r3 w - - 0 1)

Dragoescu, Radu

2nd HM., Buletin Problemistic, 1992

bB5K/2Q3Np/8/3kpRr1/1b1N1R2/8/2n5/4r3

#2

7 + 8

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Qf7#
    • 1...Bc6
      • 2.Qxc6#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Qc4#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Bc6
        • 2.Qf7#
      • 1...Sa3
        • 2.Rd4#
      • 1...Se3
        • 2.Rd4#
      • 1...Sd4
        • 2.Rxd4#
      • 1...Re4!
  • Keys
    • 1.Se2!
      • threat
        • 2.Qc4#
      • 1...Bc6
        • 2.Qxe5#
      • 1...Bc5
        • 2.Sc3#
      • 1...Sa3
        • 2.Rd4#
      • 1...Se3
        • 2.Rd4#
      • 1...Sd4
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(c);SBLOCK::QAB(D)
    • B(h);N_GUARD::QAB1(D),XB(h)
  • Tries
    • Try
      • S(A);
      • Threat
        • QAB1(D)
      • Vars
        • B(c);N_GUARD::QAR1(D),XB(c)
        • B(h);SBLOCK::QAB(D)
        • S(b);N_GUARD::R1(B)
        • S(b);N_GUARD::R1(B),XS(b)
      • Refutation
        • R(a);
  • Actual
    • S(A);
    • Threat
      • QAB1(D)
    • Vars
      • B(h);SBLOCK::QAR1(D),XP(e)
      • B(c);N_GUARD::S(A)
      • S(b);N_GUARD::R1(B)
      • S(b);N_GUARD::R1(B),XS(b)
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