MESON Chess Problem Database

Problem Display
PID: 245324 (5R2/1B2k1K1/1N2P3/2P5/4n3/2p1Q3/3b4/8 w - - 0 1)

Onkoud, Abdelaziz

Problem-Forum, 2007

5R2/1B2k1K1/1N2P3/2P5/4n3/2p1Q3/3b4/8

#2

7 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe6
      • 2.Qxe4#
    • 1...Sf2
      • 2.Sd5#
      • 2.Sc8#
    • 1...Sg3
      • 2.Sd5#
      • 2.Sc8#
    • 1...Sxc5
      • 2.Sc8#
    • 1...Sg5
      • 2.Sd5#
      • 2.Sc8#
    • 1...Sd6
      • 2.Sd5#
    • 1...Sf6
      • 2.Sc8#
  • Tries
    • 1.Bc8?
      • threat
        • 2.Sd5#
      • 1...Sxc5
        • 2.Qxc5#
      • 1...Sf6!
    • 1.Qh6?
      • threat
        • 2.Sd5#
        • 2.Sc8#
      • 1...Sxc5
        • 2.Sc8#
      • 1...Sf6
        • 2.Qxf6#
      • 1...Sd6
        • 2.Sd5#
        • 2.Qf6#
      • 1...Bxh6+!
    • 1.Qh3?
      • threat
        • 2.Sd5#
        • 2.Sc8#
      • 1...Sxc5
        • 2.Sc8#
      • 1...Sd6
        • 2.Sd5#
      • 1...Sf6
        • 2.Sc8#
      • 1...Bh6+!
  • Keys
    • 1.Bc6!
      • threat
        • 2.Re8#
      • 1...Kxe6
        • 2.Qxe4#
      • 1...Sxc5
        • 2.Sc8#
      • 1...Sd6
        • 2.Sd5#
      • 1...Sf6
        • 2.Sc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(d);OGATEB,P-FLIGHT,P_SPINS(c),XP(D)::QAR2(A),XS(c)
    • S(c);XP(B)::S(C)
    • S(c);::S(C)
  • Tries
    • Try
      • B(E);
      • Threat
        • S(C)
      • Vars
        • S(c);OGATE,XP(B)::QAB(A),XS(c)
      • Refutation
        • S(c);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);XP(B)::S(C)
        • S(c);N_GUARD::QAB1(A),XS(c)
      • Refutation
        • B(a);CHECK,XQ(A)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);XP(B)::S(C)
        • S(c);::S(C)
      • Refutation
        • B(a);CHECK
  • Actual
    • B(E);
    • Threat
      • R1(G)
    • Vars
      • K(d);OGATEB,P-FLIGHT,P_SPINS(c),XP(D)::QAR2(A),XS(c)
      • S(c);XP(B)::S(C)
      • S(c);::S(C)
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