MESON Chess Problem Database

Problem Display
PID: 266701 (b2R3b/4p3/4k1B1/1n1N2P1/2Pn2p1/3N4/5P2/7K w - - 0 1)

Handloser, Ralf Chris

Schweizerische Schachzeitung, 2022

b2R3b/4p3/4k1B1/1n1N2P1/2Pn2p1/3N4/5P2/7K

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd5+
      • 2.cxd5#
    • 1...Be5
      • 2.Sc5#
    • 1...Sf3
      • 2.S5f4#
    • 1...Sc6
      • 2.S5f4#
  • Tries
    • 1.f3?
      • threat
        • 2.S5f4#
      • 1...Bxd5
        • 2.cxd5#
      • 1...Be5
        • 2.Sc5#
      • 1...Se2!
  • Keys
    • 1.f4!
      • threat
        • 2.Sc5#
      • 1...Bxd5+
        • 2.cxd5#
      • 1...gxf4 ep
        • 2.S5f4#
      • 1...Sb3
        • 2.f5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(f);CHECK,OGATE,XS(E)::P(D),XB(f)
    • B(g);SBLOCK::S(C)
    • S(a);N_PINS(E)::S(E)
  • Tries
    • Try
      • P(B);N_SPINS(E)
      • Threat
        • S(E)
      • Vars
        • B(f);OGATE,P_PINP(B),XS(E)::P(D),XB(f)
        • B(g);SBLOCK::S(C)
      • Refutation
        • S(a);
  • Actual
    • P(B);
    • Threat
      • S(C)
    • Vars
      • B(f);CHECK,OGATE,XS(E)::P(D),XB(f)
      • P(b);EP,N_PINS(E),XP(B)::S(E)
      • S(a);N_GUARD::P(B)
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Developed and maintained by Brian Stephenson.
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