MESON Chess Problem Database

Problem Display
PID: 246731 (4n3/4R3/2p5/3k4/Q7/8/5b1B/1K6 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Uralski Problemist, 1997

4n3/4R3/2p5/3k4/Q7/8/5b1B/1K6

#2

4 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Qe4#
    • 1...Sd6
      • 2.Re5#
    • 1...c5
      • 2.Qe4#
  • Keys
    • 1.Re4!
      • threat
        • 2.Qc4#
      • 1...Kc5
        • 2.Qa5#
      • 1...Bg3
        • 2.Qd4#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Sd6
        • 2.Re5#
      • 1...c5
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(a);SBLOCK::QAB1(C)
    • S(d);SBLOCK::R1(D)
    • P(c);SBLOCK::QAB1(C)
  • Actual
    • R(D);
    • Threat
      • QAB1(C)
    • Vars
      • K(b);P-FLIGHT::QAR2(C)
      • B(a);N_GUARD::QAR1(C)
      • B(a);N_GUARD::QAR1(C),XB(a)
      • S(d);SBLOCK::R1(D)
      • P(c);OGATEB,SBLOCK::QAB(C)
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