MESON Chess Problem Database

Problem Display
PID: 263909 (8/1N1B4/b3R3/Rq1k3r/8/1PP2P1p/1n1PP3/5K2 w - - 0 1)

Handloser, Ralf Chris

Coello-75 JT (Problemas), 2017

8/1N1B4/b3R3/Rq1k3r/8/1PP2P1p/1n1PP3/5K2

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Rxc5#
    • 1...Re5
      • 2.Rd6#
    • 1...Bxb7
      • 2.Rxb5#
    • 1...Sd3
      • 2.e4#
    • 1...Sc4
      • 2.e4#
  • Tries
    • 1.d3?
      • threat
        • 2.e4#
      • 1...Bxb7
        • 2.Rxb5#
      • 1...Re5
        • 2.Rd6#
      • 1...Rh4!
    • 1.c4+?
      • 1...Kd4
        • 2.Re4#
      • 1...Sxc4!
  • Keys
    • 1.d4!
      • threat
        • 2.Rd6#
      • 1...Bxb7
        • 2.Rxb5#
      • 1...Rh6
        • 2.Re5#
      • 1...Sc4
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(c);OGATE::R1(G),XQ(c)
    • R(e);SBLOCK::R1(H)
    • B(f);N_GUARD,XS(I)::R(G),XQ(c)
    • S(a);N_PINP(C)::P(C)
  • Tries
    • Try
      • P(B);N_SPINP(C)
      • Threat
        • P(C)
      • Vars
        • B(f);N_GUARD,XS(I)::R(G),XQ(c)
        • R(e);SBLOCK::R1(H)
      • Refutation
        • R(e);
    • Try
      • P(E);CHECK,N_SPINP(C)
      • Vars
        • K(d);N_SPINQ(c),P-FLIGHT,S_CUTS(a)::R1(H)
      • Refutation
        • S(a);XP(E)
  • Actual
    • P(B);
    • Threat
      • R1(H)
    • Vars
      • B(f);N_GUARD,XS(I)::R(G),XQ(c)
      • R(e);N_GUARD::R1(H)
      • S(a);N_PINP(C)::P(C)
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