MESON Chess Problem Database

Problem Display
PID: 94636 (5b1r/4p1pk/4Q3/8/6K1/8/8/8 w - - 0 1)

Uppstrom, Rolf

Vecherni Magadan, 1997

5b1r/4p1pk/4Q3/8/6K1/8/8/8

#2

2 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kf5?
      • 1...g6+
        • 2.Qxg6#
      • 1...g5
        • 2.Qg6#
      • 1...Rg8!
    • 1.Kh5?
      • 1...g6+
        • 2.Qxg6#
      • 1...g5
        • 2.Qg6#
      • 1...Rg8!
  • Keys
    • 1.Kg5!
      • 1...Rg8
        • 2.Qh3#
      • 1...g6
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(b);CHECK::QAB1(B),XP(b)
        • P(b);::QAB1(B)
      • Refutation
        • R(e);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(b);CHECK::QAB1(B),XP(b)
        • P(b);::QAB1(B)
      • Refutation
        • R(e);
  • Actual
    • K(A);P-FLIGHT
    • Vars
      • R(e);SBLOCK::QAR(B)
      • P(b);::QAB1(B),XP(b)
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