MESON Chess Problem Database

Problem Display
PID: 142255 (2K5/3ppp2/4k1n1/2R5/8/8/3Q4/8 w - - 0 1)

Bylevski, Boris

Phenix, 1990

2K5/3ppp2/4k1n1/2R5/8/8/3Q4/8

#2

3 + 5

5454 Near Snap 2020

SOLUTION

  • SOUND
  • Sets
    • 1...f6
      • 2.Qd5#
  • Keys
    • 1.Qg5!
      • 1...Kd6
        • 2.Qd5#
      • 1...f5
        • 2.Qxg6#
      • 1...f6
        • 2.Qd5#
      • 1...Sf4
        • 2.Qe5#
      • 1...Sh4
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sf8
        • 2.Qe5#
      • 1...Sh8
        • 2.Qe5#
      • 1...d5
        • 2.Rc6#
      • 1...d6
        • 2.Qf5#

Anticipated by 203265(1924)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK::QAB1(A)
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
      • P(e);N_GUARD::QAR2(A),XS(b)
      • P(e);SBLOCK::QAB1(A)
      • S(b);N_GUARD::QAR1(A)
      • S(b);N_GUARD::QAR1(A),XS(b)
      • P(c);N_GUARD::R(B)
      • P(c);SBLOCK::QAB1(A)
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