MESON Chess Problem Database

Problem Display
PID: 136854 (B7/5Kp1/3p3p/R7/5Pk1/2N2pPp/5P1p/8 w - - 0 1)

Hoffmann, Toma

Source?, 1954

B7/5Kp1/3p3p/R7/5Pk1/2N2pPp/5P1p/8

#2

7 + 7

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...h5
      • 2.Rg5#
  • Tries
    • 1.Bd5?
      • threat
        • 2.Be6#
      • 1...Kf5
        • 2.Be6#
      • 1...Kh5
        • 2.Bxf3#
      • 1...g5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Se3#
      • 1...Kf5
        • 2.Se3#
      • 1...Kh5
        • 2.Sf6#
      • 1...g5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(f);N_GUARD::R1(E)
  • Tries
    • Try
      • B(G);
      • Threat
        • B(G)
      • Vars
        • K(d);S_FLIGHT::R(E)+B(G),DCHECK
        • K(d);S_FLIGHT::R(E)+B(G),DCHECK,XP(b)
      • Refutation
        • P(g);
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(d);S_FLIGHT::R(E)+S(B),DCHECK
      • P(g);N_GUARD::S(B)
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