MESON Chess Problem Database

Problem Display
PID: 166889 (2n5/8/3p1b2/5Q2/3k4/2R5/2K5/8 w - - 0 1)

Caliman, Georghe

Revista Romana de Sah, 1990

2n5/8/3p1b2/5Q2/3k4/2R5/2K5/8

#2

3 + 4

15148 Sadier Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Qd3#
    • 1...d5
      • 2.Qf4#
  • Tries
    • 1.Rc4+?
      • 1...Ke3
        • 2.Re4#
      • 1...Kxc4!
    • 1.Qe6?
      • threat
        • 2.Rc4#
      • 1...Be5
        • 2.Qc4#
      • 1...d5
        • 2.Qe3#
      • 1...Sb6!
  • Keys
    • 1.Kb3!
      • threat
        • 2.Rd3#
      • 1...Be5
        • 2.Qd3#
      • 1...d5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(c);SBLOCK::QAR1(C)
    • P(b);SBLOCK::QAR2(C)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::R1(B)
      • Refutation
        • K(a);P-FLIGHT,XR(B)
    • Try
      • Q(C);
      • Threat
        • R1(B)
      • Vars
        • B(c);SBLOCK::QAR1(C)
        • P(b);SBLOCK::QAB1(C)
      • Refutation
        • S(d);
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • R1(B)
    • Vars
      • B(c);SBLOCK::QAR1(C)
      • P(b);SBLOCK::QAR2(C)
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