MESON Chess Problem Database

Problem Display
PID: 203733 (nk6/NPR1K3/8/8/8/8/8/R7 w - - 0 1)

Bonivento, Oscar

L'Italia Scacchistica, 2005

nk6/NPR1K3/8/8/8/8/8/R7

#2

5 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.bxa8Q+?
      • 1...Kxa8
        • 2.Sc6#
      • 1...Kxc7!
    • 1.bxa8B?
      • threat
        • 2.Rc8#
      • 1...Kxa8
        • 2.Sc6#
      • 1...Kxc7!
    • 1.bxa8R+?
      • 1...Kxa8
        • 2.Sc6#
      • 1...Kxc7!
  • Keys
    • 1.bxa8S!
      • 1...Kxa8
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);CHECK,XS(a)
      • Vars
        • K(b);P-FLIGHT,XQ(C)::R(A)+S(B)
      • Refutation
        • K(b);S_FLIGHT,XR(D)
    • Try
      • P(C);XS(a)
      • Threat
        • R1(D)
      • Vars
        • K(b);P-FLIGHT,XB(C)::R(A)+S(B)
      • Refutation
        • K(b);S_FLIGHT,XR(D)
    • Try
      • P(C);CHECK,XS(a)
      • Vars
        • K(b);P-FLIGHT,XR(C)::R(A)+S(B)
      • Refutation
        • K(b);S_FLIGHT,XR(D)
  • Actual
    • P(C);XS(a)
    • Vars
      • K(b);P-FLIGHT,XS(C)::R(A)+S(B)
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