MESON Chess Problem Database

Problem Display
PID: 155725 (K7/5B2/2p3Qp/b4r1r/2RpkB2/2p2NP1/2n1P3/3N2b1 w - - 0 1)

Handloser, Ralf Chris

Problemskak, 2016

K7/5B2/2p3Qp/b4r1r/2RpkB2/2p2NP1/2n1P3/3N2b1

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2
      • 2.Sxf2#
    • 1...Bh2
      • 2.Sf2#
    • 1...Bb6
      • 2.Sxc3#
    • 1...Bc7
      • 2.Sxc3#
    • 1...Bd8
      • 2.Sxc3#
    • 1...Se3
      • 2.Rxd4#
    • 1...Sb4
      • 2.Sxc3#
  • Tries
    • 1.Se5?
      • threat
        • 2.Qxc6#
      • 1...Sb4
        • 2.Sxc3#
      • 1...c5
        • 2.Qc6#
      • 1...Se3!
    • 1.Be5?
      • threat
        • 2.Qxc6#
      • 1...Se3
        • 2.Rxd4#
      • 1...c5
        • 2.Qc6#
      • 1...Sb4!
    • 1.Bd5+?
      • 1...Kxd5
        • 2.Qxc6#
      • 1...cxd5!
  • Keys
    • 1.Be8!
      • threat
        • 2.Bxc6#
      • 1...Kd5
        • 2.Qxc6#
      • 1...Se3
        • 2.Rxd4#
      • 1...Sb4
        • 2.Sxc3#
      • 1...c5
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(a);N_GUARD::S(A),XB(a)
    • B(a);N_GUARD::S(A)
    • B(f);N_GUARD::S(A),XP(c)
    • S(b);N_GUARD,S_CUTB(a)::R1(E),XP(d)
    • S(b);S_CUTB(f)::S(A),XP(c)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB(G),XP(i)
      • Vars
        • S(b);S_CUTB(f)::S(A),XP(c)
        • P(i);::QAB(G)
      • Refutation
        • S(b);
    • Try
      • B(F);
      • Threat
        • QAB(G),XP(i)
      • Vars
        • S(b);N_GUARD,S_CUTB(a)::R1(E),XP(d)
        • P(i);::QAB(G)
      • Refutation
        • S(b);
    • Try
      • B(H);CHECK
      • Vars
        • K(e);N_SPINP(d),N_SPINR(g),S_FLIGHT,XB(H)::QAB1(G),XP(i)
      • Refutation
        • P(i);XB(H)
  • Actual
    • B(H);
    • Threat
      • B(H),XP(i)
    • Vars
      • K(e);N_SPINP(d),N_SPINR(g),S_FLIGHT::QAB1(G),XP(i)
      • S(b);N_GUARD,S_CUTB(a)::R1(E),XP(d)
      • S(b);S_CUTB(f)::S(A),XP(c)
      • P(i);::B(H)
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