MESON Chess Problem Database

Problem Display
PID: 77944 (8/8/5p2/1Q2B3/4k3/R6n/3K4/8 w - - 0 1)

Adamski, Eduard

Znamya junosti, 1980

8/8/5p2/1Q2B3/4k3/R6n/3K4/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Re3#
  • Tries
    • 1.Ra4+?
      • 1...Kf3
        • 2.Qe2#
      • 1...Kf5!
  • Keys
    • 1.Rf3!
      • 1...Kxf3
        • 2.Qe2#
      • 1...fxe5
        • 2.Qd3#
      • 1...Sf4
        • 2.Rxf4#
      • 1...Sf2
        • 2.Rf4#
      • 1...Sg1
        • 2.Rf4#
      • 1...Sg5
        • 2.Rf4#
      • 1...f5
        • 2.Re3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::R1(B)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(b);S_FLIGHT,XR(B)::QAB1(C)
      • P(c);SBLOCK,XB(D)::QAB1(C)
      • S(a);N_GUARD::R1(B),XS(a)
      • S(a);N_GUARD::R1(B)
      • P(c);SBLOCK::R1(B)
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