MESON Chess Problem Database

Problem Display
PID: 240422 (1KQ2b2/2p5/b2pp1P1/4kp1N/4ppr1/4N3/5n1B/3R4 w - - 0 1)

Juricek, Stanislav

Sachova skladba, 2020

1KQ2b2/2p5/b2pp1P1/4kp1N/4ppr1/4N3/5n1B/3R4

#2

7 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Bxf4#
    • 1...Rg2
      • 2.Bxf4#
    • 1...Rg5
      • 2.Bxf4#
    • 1...Rxg6
      • 2.Bxf4#
    • 1...Bc4
      • 2.Sxc4#
    • 1...Bb7
      • 2.Sc4#
    • 1...Bxc8
      • 2.Sc4#
  • Tries
    • 1.Sxg4+?
      • 1...Sxg4
        • 2.Bxf4#
      • 1...fxg4!
    • 1.Qxc7?
      • threat
        • 2.Qc3#
      • 1...Bc4
        • 2.Sxc4#
      • 1...Sxd1!
    • 1.Qxf8?
      • threat
        • 2.Qg7#
        • 2.Qf6#
        • 2.Qh8#
      • 1...Rxg6
        • 2.Bxf4#
      • 1...d5!
  • Keys
    • 1.Rxd6!
      • threat
        • 2.Qxe6#
      • 1...Kxd6
        • 2.Qxc7#
      • 1...Rxg6
        • 2.Bxf4#
      • 1...Bxc8
        • 2.Sc4#
      • 1...Bxd6
        • 2.Qh8#
      • 1...cxd6
        • 2.Qc3#
      • 1...Bc4
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(d);N_GUARD::B(B),XP(c)
    • R(d);N_GUARD,XP(E)::B(B),XP(c)
    • B(g);N_GUARD::S(C),XB(g)
    • B(g);N_GUARD::S(C)
    • B(g);N_GUARD,XQ(G)::S(C)
  • Tries
    • Try
      • S(C);CHECK,XR(d)
      • Vars
        • S(a);XS(C)::B(B),XP(c)
      • Refutation
        • P(f);XS(C)
    • Try
      • Q(G);XP(j)
      • Threat
        • QAB(G)
      • Vars
        • B(g);N_GUARD::S(C),XB(g)
      • Refutation
        • S(a);XR(A)
    • Try
      • Q(G);XB(k)
      • Threat
        • DUALS(3)
      • Vars
        • R(d);N_GUARD,XP(E)::B(B),XP(c)
      • Refutation
        • P(h);
  • Actual
    • R(A);XP(h)
    • Threat
      • QAR1(G),XP(i)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XR(A)::QAB1(G),XP(j)
      • R(d);N_GUARD,XP(E)::B(B),XP(c)
      • B(g);N_GUARD,XQ(G)::S(C)
      • B(k);OGATE,SBLOCK,XR(A)::QAB(G)
      • P(j);OGATE,SBLOCK,XR(A)::QAB(G)
      • B(g);N_GUARD::S(C),XB(g)
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