MESON Chess Problem Database

Problem Display
PID: 49748 (6B1/1K1pQ3/p2p1B2/2k3N1/Pn2p3/4p3/1RP5/7b w - - 0 1)

Handloser, Ralf Chris

The Problemist, 2003

6B1/1K1pQ3/p2p1B2/2k3N1/Pn2p3/4p3/1RP5/7b

#2

8 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Qf7?
      • threat
        • 2.Qc4#
      • 1...Sd5
        • 2.Qxd5#
      • 1...d5!
  • Keys
    • 1.Qxe4!
      • threat
        • 2.Bd4#
      • 1...Bxe4+
        • 2.Sxe4#
      • 1...Sxc2
        • 2.Rxc2#
      • 1...d5
        • 2.Qxb4#
      • 1...Sd5
        • 2.Qd4#
      • 1...Sc6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);N_PINP(g)
      • Threat
        • QAR1(G)
      • Vars
        • S(c);N_GUARD::QAR1(G),XS(c)
      • Refutation
        • P(g);
  • Actual
    • Q(G);N_PINP(g),P_SPINQ(G),XP(d)
    • Threat
      • B(E)
    • Vars
      • B(a);CHECK,XQ(G)::S(D),XB(a)
      • S(c);OGATE,XP(B)::R(A),XS(c)
      • P(g);N_PINQ(G)::QAB1(G),XS(c)
      • S(c);N_PINQ(G)::QAB1(G)
      • S(c);N_PINQ(G)::QAR1(G)
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