MESON Chess Problem Database

Problem Display
PID: 92067 (4r3/2p5/3n4/P1kp2BR/KN2pp2/1PP1r3/3N1n2/1b4Q1 w - - 0 1)

Wielgos, Oskar

Schach-Echo, 1962

4r3/2p5/3n4/P1kp2BR/KN2pp2/1PP1r3/3N1n2/1b4Q1

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Bxe3#
    • 1...d4
      • 2.Be7#
    • 1...c6
      • 2.Sa6#
  • Keys
    • 1.Be7!
      • threat
        • 2.Rxd5#
      • 1...Rd3
        • 2.Sxe4#
      • 1...c6
        • 2.Sa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • P(e);OGATE::B(H),XR(c)
    • P(g);OGATEB::R(I)+B(H)
    • P(i);SBLOCK::S(F)
  • Actual
    • B(H);P_PINP(g),P_PINS(h)
    • Threat
      • R1(I),XP(g)
    • Vars
      • R(c);N_GUARD,N_SPINS(h),P_SPINS(b),S_CUTB(a)::S(B),XP(d)
      • P(i);SBLOCK::S(F)
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