MESON Chess Problem Database

Problem Display
PID: 204548 (nrqN4/Rpkb1Q1K/5N2/1PbR2B1/8/8/8/8 w - - 0 1)

Gotenberg, P

Revista de Sah, 1925

nrqN4/Rpkb1Q1K/5N2/1PbR2B1/8/8/8/8

#2

8 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bb6
      • 2.Se8#
      • 2.Se6#
    • 1...Sb6
      • 2.Se8#
      • 2.Se6#
  • Tries
    • 1.Rxc5+?
      • 1...Kd6
        • 2.Se4#
        • 2.Qf8#
      • 1...Kxd8
        • 2.Se4#
        • 2.Sg4#
        • 2.Sd5#
        • 2.Sh5#
        • 2.Sxd7#
        • 2.Se8#
        • 2.Sg8#
      • 1...Kb6!
    • 1.b6+?
      • 1...Kxd8
        • 2.Qe8#
      • 1...Bxb6
        • 2.Se8#
      • 1...Sxb6
        • 2.Se8#
      • 1...Kxb6!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Se8#
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kxd8
        • 2.Sd5#
        • 2.Se8#
      • 1...Qxd8
        • 2.Rc6#
      • 1...Bxd6
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK,XB(a)
      • Refutation
        • K(c);N_SPINB(d),N_SPINP(b),S_FLIGHT
    • Try
      • P(A);CHECK
      • Vars
        • K(c);N_SPINP(b),S_FLIGHT,XS(H)::QAR1(F)
        • B(a);SBLOCK,XP(A)::S(D)
        • S(e);SBLOCK,XP(A)::S(D)
      • Refutation
        • K(c);N_SPINB(d),N_SPINP(b),S_FLIGHT,XP(A)
  • Actual
    • R(B);
    • Threat
      • S(D)
    • Vars
      • K(c);N_SPINB(d),N_SPINP(b),OGATEB,S_FLIGHT,XR(B)::B(C)
      • Q(g);SBLOCK,XS(H)::R1(B)
      • B(a);SBLOCK,XR(B)::S(D)
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