MESON Chess Problem Database

Problem Display
PID: 124308 (2N2kN1/3p3K/3rp1BP/8/1rR5/B1p5/8/3q4 w - - 0 1)

Legentil, Georges

Source?, 0000

2N2kN1/3p3K/3rp1BP/8/1rR5/B1p5/8/3q4

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Rf4#
    • 1...Rb2
      • 2.Rf4#
    • 1...Rb3
      • 2.Rf4#
    • 1...Rbb6
      • 2.Rf4#
    • 1...Rb7
      • 2.Rf4#
    • 1...Rb8
      • 2.Rf4#
    • 1...Rd2
      • 2.Rf4#
    • 1...Rd3
      • 2.Rf4#
    • 1...Ra6
      • 2.Rf4#
    • 1...Rdb6
      • 2.Rf4#
    • 1...Rc6
      • 2.Rf4#
  • Tries
    • 1.Sxd6?
      • threat
        • 2.Rc8#
      • 1...Rb8
        • 2.Rf4#
      • 1...Rxc4!
    • 1.Sa7?
      • threat
        • 2.Rc8#
      • 1...Rb8
        • 2.Rf4#
      • 1...Rc6
        • 2.Rf4#
      • 1...Rxc4!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Rc8#
      • 1...Rxc4
        • 2.Sxd7#
      • 1...Rc6
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • R(c);N_GUARD,P_SPINR(d)::R(B)
    • R(d);P_SPINR(c)::R(B)
  • Tries
    • Try
      • S(F);XR(d)
      • Threat
        • R(B)
      • Vars
        • R(c);N_GUARD::R(B)
      • Refutation
        • R(c);XR(B)
    • Try
      • S(F);
      • Threat
        • R(B)
      • Vars
        • R(c);N_GUARD,P_SPINR(d)::R(B)
        • R(d);P_SPINR(c)::R(B)
      • Refutation
        • R(c);P_SPINR(d),XR(B)
  • Actual
    • S(F);
    • Threat
      • R(B)
    • Vars
      • R(c);P_SPINR(d),XR(B)::S(F),XP(f)
      • R(d);P_SPINR(c)::R(B)
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