MESON Chess Problem Database

Problem Display
PID: 152970 (r7/b1Q5/kB6/8/2K5/8/8/8 w - - 0 1)

Alekseev, Yuri Mikhailovich

Kudesnik, 2003

r7/b1Q5/kB6/8/2K5/8/8/8

#2

3 + 3

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rb8
      • 2.Qxa7#
    • 1...Rd8
      • 2.Qxa7#
    • 1...Re8
      • 2.Qxa7#
    • 1...Rf8
      • 2.Qxa7#
    • 1...Rg8
      • 2.Qxa7#
    • 1...Rh8
      • 2.Qxa7#
  • Tries
    • 1.Bc5?
      • 1...Bb6
        • 2.Qxb6#
      • 1...Rc8
        • 2.Qxa7#
      • 1...Rb8
        • 2.Qxa7#
      • 1...Rd8
        • 2.Qxa7#
      • 1...Re8
        • 2.Qxa7#
      • 1...Rf8
        • 2.Qxa7#
      • 1...Rg8
        • 2.Qxa7#
      • 1...Rh8
        • 2.Qxa7#
      • 1...Bb8
        • 2.Qb6#
      • 1...Bxc5!
  • Keys
    • 1.Kc5!
      • 1...Bxb6+
        • 2.Qxb6#
      • 1...Rb8
        • 2.Qxa7#
      • 1...Rc8
        • 2.Qxc8#
      • 1...Rd8
        • 2.Qxa7#
      • 1...Re8
        • 2.Qxa7#
      • 1...Rf8
        • 2.Qxa7#
      • 1...Rg8
        • 2.Qxa7#
      • 1...Rh8
        • 2.Qxa7#
      • 1...Bb8
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::QAR1(C),XB(b)
  • Tries
    • Try
      • B(B);
      • Vars
        • B(b);N_GUARD::QAR1(C),XB(b)
        • R(c);N_GUARD::QAR1(C),XB(b)
        • B(b);N_GUARD::QAR1(C)
      • Refutation
        • B(b);XB(B)
  • Actual
    • K(A);P-FLIGHT,P_SPINB(B)
    • Vars
      • B(b);CHECK,OGATE,XB(B)::QAR1(C),XB(b)
      • R(c);N_GUARD::QAR1(C),XB(b)
      • R(c);N_GUARD,P_PINQ(C)::QAB(C),XR(c)
      • B(b);N_PINB(B),S_CUTR(c)::QAB(C)
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