MESON Chess Problem Database

Problem Display
PID: 93238 (5R2/2p5/2p2P2/2K1kp2/2Q3P1/8/3p4/8 w - - 0 1)

Scheel, Johan

Skakbladet, 1919

5R2/2p5/2p2P2/2K1kp2/2Q3P1/8/3p4/8

#2

5 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Qe2#
  • Tries
    • 1.Qf4+?
      • 1...Ke6
        • 2.Qxf5#
      • 1...Kxf4!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qxf5#
      • 1...Ke4
        • 2.Re8#
      • 1...Ke6
        • 2.Qxf5#
      • 1...fxg4
        • 2.Re8#
      • 1...f4
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::QAR(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(A),XP(c)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XP(c)
    • Vars
      • K(b);P-FLIGHT::R(E)
      • K(b);P-FLIGHT::QAB1(A),XP(c)
      • P(c);XP(B)::R(E)
      • P(c);SBLOCK::QAR(A)
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