MESON Chess Problem Database

Problem Display
PID: 160330 (8/3pK2R/2p5/2pk1p2/8/2P5/4Q3/4n3 w - - 0 1)

Abdullayev, Elmar

Problemist Ukraini, 2016

8/3pK2R/2p5/2pk1p2/8/2P5/4Q3/4n3

#2

4 + 6

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Rh5#
    • 1...d6
      • 2.Qe6#
  • Tries
    • 1.Rh4?
      • threat
        • 2.c4#
      • 1...f4
        • 2.Rh5#
      • 1...c4!
  • Keys
    • 1.Kf6!
      • threat
        • 2.Rxd7#
      • 1...Kd6
        • 2.Qe5#
      • 1...Sd3
        • 2.Qxd3#
      • 1...c4
        • 2.Qe5#
      • 1...d6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(d);OGATEB::R(D)
    • P(f);N_GUARD::QAB1(A)
  • Tries
    • Try
      • R(D);
      • Threat
        • P(B)
      • Vars
        • P(d);OGATEB::R(D)
      • Refutation
        • P(b);
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • R(D),XP(f)
    • Vars
      • K(c);P-FLIGHT::QAB1(A)
      • S(a);N_GUARD::QAR2(A),XS(a)
      • P(b);SBLOCK::QAR1(A)
      • P(f);N_GUARD::QAB1(A)
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