MESON Chess Problem Database

Problem Display
PID: 101169 (8/R1pNp3/1P1P1P2/3k3P/B2P2KP/3R2BQ/3N3P/8 w - - 0 1)

Opdenoordt, Joseph J

Good Companions (November Pageant Ty.), 1916

8/R1pNp3/1P1P1P2/3k3P/B2P2KP/3R2BQ/3N3P/8

#2

15 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...c6
      • 2.Bb3#
    • 1...e6
      • 2.Qg2#
  • Tries
    • 1.Kf3?
      • 1...cxb6
        • 2.Sxb6#
      • 1...cxd6
        • 2.Ra5#
      • 1...exd6
        • 2.Qf5#
      • 1...exf6
        • 2.Sxf6#
        • 2.Qf5#
      • 1...e5
        • 2.dxe5#
      • 1...c5
        • 2.dxc5#
      • 1...c6
        • 2.Bb3#
      • 1...e6!
    • 1.Kf5?
      • threat
        • 2.Qg2#
      • 1...e5
        • 2.dxe5#
      • 1...e6+!
    • 1.Rxc7?
      • threat
        • 2.Bb3#
      • 1...Ke6
        • 2.Bb3#
      • 1...e5!
  • Keys
    • 1.Kg5!
      • 1...exf6+
        • 2.Sxf6#
      • 1...cxb6
        • 2.Sxb6#
      • 1...cxd6
        • 2.Ra5#
      • 1...exd6
        • 2.Qf5#
      • 1...e5
        • 2.dxe5#
      • 1...c5
        • 2.dxc5#
      • 1...c6
        • 2.Bb3#
      • 1...e6
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::B(F)
    • P(c);SBLOCK::QAB(E)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Vars
        • P(b);XP(K)::S(O),XP(b)
        • P(b);N_GUARD,XP(L)::R(N)
        • P(c);N_GUARD,XP(L)::QAR2(E)
        • P(c);OGATE::R(C)+P(G),XP(c)
        • P(b);OGATE::R(C)+P(G),XP(b)
        • P(b);SBLOCK::B(F)
      • Refutation
        • P(c);
    • Try
      • K(H);S_FLIGHT
      • Threat
        • QAB(E)
      • Vars
        • P(c);OGATE::R(C)+P(G),XP(c)
      • Refutation
        • P(c);CHECK
    • Try
      • R(N);XP(b)
      • Threat
        • B(F)
      • Vars
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • P(c);
  • Actual
    • K(H);P-FLIGHT
    • Vars
      • P(c);CHECK,XP(M)::S(O),XP(c)
      • P(b);XP(K)::S(O),XP(b)
      • P(b);N_GUARD,XP(L)::R(N)
      • P(c);N_GUARD,XP(L)::QAR2(E)
      • P(c);OGATE::R(C)+P(G),XP(c)
      • P(b);OGATE::R(C)+P(G),XP(b)
      • P(b);SBLOCK::B(F)
      • P(c);SBLOCK::QAB(E)
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