MESON Chess Problem Database

Problem Display
PID: 187046 (8/6BK/8/8/p7/b3Q3/kr1N4/1n3R1R w - - 0 1)

Moen, Kabe

The Problemist Supplement, 2018

8/6BK/8/8/p7/b3Q3/kr1N4/1n3R1R

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ka1
      • 2.Qxa3#
    • 1...Sxd2
      • 2.Ra1#
    • 1...Sc3
      • 2.Ra1#
  • Tries
    • 1.Qxa3+?
      • 1...Sxa3
        • 2.Ra1#
      • 1...Kxa3!
    • 1.Qe6+?
      • 1...Ka1
        • 2.Rxb1#
      • 1...Rb3!
  • Keys
    • 1.Qc3!
      • 1...Ka1
        • 2.Qxa3#
      • 1...Rxd2
        • 2.Qc4#
      • 1...Sxd2
        • 2.Ra1#
      • 1...Sxc3
        • 2.Ra1#
      • 1...Rc2
        • 2.Qa1#
      • 1...Rb3
        • 2.Qa1#
      • 1...Rb4
        • 2.Qa1#
      • 1...Rb5
        • 2.Qa1#
      • 1...Rb6
        • 2.Qa1#
      • 1...Rb7
        • 2.Qa1#
      • 1...Rb8
        • 2.Qa1#
      • 1...Bb4
        • 2.Qxb2#
      • 1...Bc5
        • 2.Qxb2#
      • 1...Bd6
        • 2.Qxb2#
      • 1...Be7
        • 2.Qxb2#
      • 1...Bf8
        • 2.Qxb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,P_SPINR(c),P_SPINS(a)::QAR2(D),XB(d)
    • S(a);OGATE,XS(C)::R1(A)
    • S(a);OGATE::R1(A)
  • Tries
    • Try
      • Q(D);CHECK,XB(d)
      • Vars
        • S(a);OGATE,SBLOCK,XQ(D)::R1(A)
      • Refutation
        • K(b);P-FLIGHT,XQ(D)
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);P-FLIGHT,P_SPINR(c),P_SPINS(a)::R1(A),XS(a)
      • Refutation
        • R(c);P_SPINR(c)
  • Actual
    • Q(D);
    • Vars
      • K(b);P-FLIGHT,P_SPINR(c),P_SPINS(a)::QAR2(D),XB(d)
      • R(c);N_GUARD,XS(C)::QAB(D)
      • S(a);OGATE,XS(C)::R1(A)
      • S(a);OGATE,XQ(D)::R1(A)
      • R(c);OGATE::QAR1(D)
      • R(c);OGATE,P_PINB(E)::QAR1(D)
      • B(d);N_GUARD::QAR1(D),XR(c)
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