MESON Chess Problem Database

Problem Display
PID: 16009 (3b4/5b1B/6q1/3pR3/Q2P4/2pkN3/6p1/1nB3Kn w - - 0 1)

Handloser, Ralf Chris

idee & form, 2000

3b4/5b1B/6q1/3pR3/Q2P4/2pkN3/6p1/1nB3Kn

#2

7 + 9

56 The Problemist 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Ke2
      • 2.Qd1#
    • 1...Sa3
      • 2.Qd1#
  • Tries
    • 1.Sc2?
      • threat
        • 2.Se1#
        • 2.Re3#
      • 1...Bh4
        • 2.Re3#
      • 1...Bg5
        • 2.Se1#
      • 1...Qe4!
    • 1.Sxd5?
      • threat
        • 2.Sf4#
        • 2.Re3#
      • 1...Bxd5
        • 2.Re3#
      • 1...Qe4
        • 2.Sf4#
      • 1...c2
        • 2.Re3#
      • 1...Bg5!
    • 1.Bxg6+?
      • 1...Ke2
        • 2.Qd1#
      • 1...Bxg6!
  • Keys
    • 1.Sxg2!
      • threat
        • 2.Re3#
      • 1...Qe4
        • 2.Sf4#
      • 1...Bg5
        • 2.Se1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(e);N_SPINQ(g),S_FLIGHT::QAB1(D)
    • S(a);N_GUARD::QAR2(D)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(i);::R1(F)
        • B(i);::S(C)
      • Refutation
        • Q(g);
    • Try
      • S(C);XP(f)
      • Threat
        • DUALS(2)
      • Vars
        • B(h);XS(C)::R1(F)
        • Q(g);::S(C)
        • P(d);::R1(F)
      • Refutation
        • B(i);
    • Try
      • B(G);CHECK,XQ(g)
      • Vars
        • K(e);S_FLIGHT::QAB1(D)
      • Refutation
        • B(h);XB(G)
  • Actual
    • S(C);P_SPINS(C),XP(c)
    • Threat
      • R1(F)
    • Vars
      • Q(g);N_PINS(C)::S(C)
      • B(i);N_PINS(C)::S(C)
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