MESON Chess Problem Database

Problem Display
PID: 150655 (B1Q5/pR5K/r2b4/4p3/8/5N1N/7p/R5nk w - - 0 1)

Ouellet, Charles

Die Schwalbe, 2013

B1Q5/pR5K/r2b4/4p3/8/5N1N/7p/R5nk

#2

7 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Rb2?
      • threat
        • 2.Rxh2#
      • 1...Ra2
        • 2.Sxe5#
      • 1...e4!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Rb6#
      • 1...Kg2
        • 2.Rg7#
      • 1...Rxa1
        • 2.Rb1#
      • 1...Ra2
        • 2.Rb2#
      • 1...Ra3
        • 2.Rb3#
      • 1...Ra4
        • 2.Rb4#
      • 1...Ra5
        • 2.Rb5#
      • 1...Rb6
        • 2.Rxb6#
      • 1...Rc6
        • 2.Qxc6#

This is a version of 149856

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • R1(D),XP(c)
      • Vars
        • R(e);N_GUARD::B(F)+S(B),XP(d)
      • Refutation
        • P(d);
  • Actual
    • S(B);XP(d)
    • Threat
      • B(F)+R(D)
    • Vars
      • K(b);N_SPINS(a),S_FLIGHT::B(F)+R(D),DCHECK
      • R(e);N_GUARD,N_SPINS(a),XR(A)::B(F)+R(D)
      • R(e);N_GUARD::B(F)+R(D)
      • R(e);::B(F)+R(D),XR(e)
      • R(e);N_GUARD::QAB(G),XR(e)
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