MESON Chess Problem Database

Problem Display
PID: 221489 (bb3R1N/1q1p1RBk/rr3P1N/2p5/ppKPP3/8/2Q5/8 w - - 0 1)

Grunfeld, Max

British Chess Magazine, 1927

bb3R1N/1q1p1RBk/rr3P1N/2p5/ppKPP3/8/2Q5/8

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5+
      • 2.exd5#
    • 1...Rc6
      • 2.e5#
    • 1...d5+
      • 2.exd5#
  • Keys
    • 1.Sg4!
      • threat
        • 2.Bh6#
      • 1...Qd5+
        • 2.exd5#
      • 1...d5+
        • 2.exd5#
      • 1...Rxf6
        • 2.Bxf6#
      • 1...d6
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(f);CHECK,OGATE::QAB(A)+P(D),XQ(f)
    • R(e);S_CUTQ(f)::QAB(A)+P(D)
    • P(g);CHECK,OGATE::QAB(A)+P(D),XP(g)
  • Actual
    • S(F);
    • Threat
      • R(G)+B(H)
    • Vars
      • Q(f);CHECK,OGATE::QAB(A)+P(D),XQ(f)
      • P(g);CHECK,OGATE::QAB(A)+P(D),XP(g)
      • R(e);OGATE,XP(E)::R(G)+B(H),XR(e)
      • P(g);S_CUTB(j)::QAR(A)
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