MESON Chess Problem Database

Problem Display
PID: 152402 (8/8/2pp4/2pp4/1PPP2R1/Q2K1k2/pBPP2R1/rbb5 w - - 0 1)

Weiss, Berthold

Good Companions (November), 1915

8/8/2pp4/2pp4/1PPP2R1/Q2K1k2/pBPP2R1/rbb5

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc2+
      • 2.Kxc2#
    • 1...Bxd2
      • 2.Kxd2#
    • 1...cxd4
      • 2.Kxd4#
    • 1...dxc4+
      • 2.Kxc4#
  • Tries
    • 1.Bxc1?
      • 1...Bxc2+
        • 2.Kxc2#
      • 1...dxc4+
        • 2.Kxc4#
      • 1...cxd4
        • 2.Kxd4#
      • 1...cxb4!
  • Keys
    • 1.Kc3!
      • 1...Bxb2+
        • 2.Kxb2#
      • 1...Bxd2+
        • 2.Kxd2#
      • 1...cxb4+
        • 2.Kxb4#
      • 1...cxd4+
        • 2.Kxd4#
      • 1...Bxc2
        • 2.Kxc2#
      • 1...dxc4
        • 2.Kxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(b);CHECK,XP(B)::QAR(E)+K(F),XB(b)
    • B(c);XP(C)::QAR(E)+K(F),XB(c)
    • P(f);XP(I)::QAR(E)+K(F),XP(f)
    • P(g);CHECK,XP(H)::QAR(E)+K(F),XP(g)
  • Tries
    • Try
      • B(A);XB(c)
      • Vars
        • B(b);CHECK,XP(B)::QAR(E)+K(F),XB(b)
        • P(g);CHECK,XP(H)::QAR(E)+K(F),XP(g)
        • P(f);XP(I)::QAR(E)+K(F),XP(f)
      • Refutation
        • P(f);XP(G)
  • Actual
    • K(F);N_SPINP(B),P-FLIGHT
    • Vars
      • B(c);CHECK,XB(A)::QAR(E)+K(F),XB(c)
      • B(c);CHECK,XP(C)::QAR(E)+K(F),XB(c)
      • P(f);CHECK,XP(G)::QAR(E)+K(F),XP(f)
      • P(f);CHECK,XP(I)::QAR(E)+K(F),XP(f)
      • B(b);XP(B)::QAR(E)+K(F),XB(b)
      • P(g);XP(H)::QAR(E)+K(F),XP(g)
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