MESON Chess Problem Database

Problem Display
PID: 120846 (B7/pr3p2/2R2N2/1N2kPp1/KB3rP1/4p3/2P4Q/8 w - - 0 1)

Siklosi, Miklos

Dunaujvarosi TST, 1963

B7/pr3p2/2R2N2/1N2kPp1/KB3rP1/4p3/2P4Q/8

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4?
      • threat
        • 2.Sf3#
      • 1...Kxd4
        • 2.Bc3#
      • 1...Rxb4+!
    • 1.Qxf4+?
      • 1...gxf4
        • 2.Bc3#
      • 1...Kxf4!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Bc3#
      • 1...Kxf6
        • 2.Qh8#
      • 1...Rxb5
        • 2.Sd7#
      • 1...Rd7
        • 2.Sxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);N_SPINB(D)
      • Threat
        • S(F)
      • Vars
        • K(c);N_SPINR(b),OGATEB,S_FLIGHT,XS(F)::B(D)
      • Refutation
        • R(f);CHECK,XB(D)
    • Try
      • Q(B);CHECK,N_SPINB(D),XR(b)
      • Vars
        • P(d);SBLOCK,XQ(B)::B(D)
      • Refutation
        • K(c);S_FLIGHT,XQ(B)
  • Actual
    • R(H);N_SPINB(D)
    • Threat
      • B(D)
    • Vars
      • K(c);N_SPINR(b),OGATEB,S_FLIGHT,XS(I)::QAB(B)
      • R(f);N_GUARD,XS(F)::S(I)
      • R(f);N_GUARD::S(I),XR(f)
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