MESON Chess Problem Database

Problem Display
PID: 212619 (n2N2KN/8/5B1p/1n2Pk2/2p2p2/7p/4B3/6bQ w - - 0 1)

Libis, Zdenek

Sachova skladba, 2019

n2N2KN/8/5B1p/1n2Pk2/2p2p2/7p/4B3/6bQ

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2
      • 2.Qb1#
    • 1...Bh2
      • 2.Qb1#
    • 1...Be3
      • 2.Qb1#
    • 1...Bd4
      • 2.Qb1#
    • 1...Bc5
      • 2.Qb1#
    • 1...Bb6
      • 2.Qb1#
    • 1...Ba7
      • 2.Qb1#
    • 1...f3
      • 2.Qxf3#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sg7#
      • 1...Kxe6
        • 2.Bg4#
      • 1...f3!
    • 1.Sg6?
      • threat
        • 2.Sh4#
        • 2.Se7#
      • 1...Kxg6
        • 2.Qe4#
      • 1...Bf2
        • 2.Se7#
        • 2.Qb1#
      • 1...Bc5
        • 2.Sh4#
        • 2.Qb1#
      • 1...f3!
    • 1.Bf3?
      • threat
        • 2.Qxh3#
      • 1...Bh2
        • 2.Qb1#
      • 1...h2!
    • 1.Qg2?
      • threat
        • 2.Bg4#
        • 2.Qg6#
      • 1...f3
        • 2.Qxf3#
      • 1...h5
        • 2.Qg6#
      • 1...hxg2!
    • 1.Qb7?
      • threat
        • 2.Qh7#
      • 1...f3
        • 2.Qxf3#
      • 1...Sbc7
        • 2.Qb1#
      • 1...Sac7!
  • Keys
    • 1.Bf1!
      • threat
        • 2.Bxh3#
      • 1...Kg4
        • 2.Qxh3#
      • 1...f3
        • 2.Qxf3#
      • 1...h2
        • 2.Bh3#

There are these versions: 227358

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • B(a);OGATE::QAB(A)
    • P(d);OGATEB::QAR2(A),XP(d)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • K(f);S_FLIGHT,XS(E)::B(B)
      • Refutation
        • P(d);
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • K(f);S_FLIGHT,XS(G)::QAB(A)
      • Refutation
        • P(d);
    • Try
      • B(B);
      • Threat
        • QAB(A),XP(b)
      • Vars
        • B(a);OGATE::QAB(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(d);OGATEB::QAR2(A),XP(d)
        • P(g);::QAB1(A)
      • Refutation
        • P(b);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • P(d);OGATEB::QAR2(A),XP(d)
        • S(e);OGATE::QAB(A)
      • Refutation
        • S(h);
  • Actual
    • B(B);
    • Threat
      • B(B),XP(b)
    • Vars
      • K(f);S_FLIGHT::QAB1(A),XP(b)
      • P(d);OGATEB::QAR2(A),XP(d)
      • P(b);::B(B)
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