MESON Chess Problem Database

Problem Display
PID: 221613 (5RBB/2p4n/2pP4/1p2N1p1/3Pk1P1/RN4PK/Q1P1pP2/1n1b4 w - - 0 1)

Bourd, Evgeny

Sachova skladba, 2004

5RBB/2p4n/2pP4/1p2N1p1/3Pk1P1/RN4PK/Q1P1pP2/1n1b4

#2

14 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc2
      • 2.Qxc2#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Sc5#
      • 1...c5
        • 2.Sxc5#
      • 1...cxd6!
    • 1.Sc4?
      • threat
        • 2.Sc5#
        • 2.f3#
      • 1...Bxc2
        • 2.Sc5#
        • 2.Qxc2#
      • 1...Sxf8
        • 2.Sc5#
      • 1...bxc4
        • 2.Sc5#
      • 1...cxd6
        • 2.Sxd6#
        • 2.f3#
      • 1...e1Q
        • 2.Sc5#
      • 1...e1S
        • 2.Sc5#
      • 1...e1B
        • 2.Sc5#
      • 1...e1R
        • 2.Sc5#
      • 1...Sd2
        • 2.Sbxd2#
        • 2.Sc5#
        • 2.Scxd2#
      • 1...c5
        • 2.Sxc5#
        • 2.f3#
      • 1...Sf6!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Sc5#
      • 1...Kf3
        • 2.Sxg5#
      • 1...Kd5
        • 2.Sd2#
        • 2.Sc5#
      • 1...Sxa3
        • 2.Sd2#
      • 1...cxd6
        • 2.Sxd6#
      • 1...Sc3
        • 2.Sd2#
      • 1...Sf6
        • 2.Sxg5#
      • 1...c5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • B(b);OGATE,XP(B)::QAB(A),XB(b)
  • Tries
    • Try
      • S(J);
      • Threat
        • S(E)
      • Vars
        • P(g);::S(E),XP(g)
      • Refutation
        • P(h);XP(K)
    • Try
      • S(J);
      • Threat
        • DUALS(2)
      • Vars
        • S(i);XR(L)::S(E)
        • P(e);XS(J)::S(E)
        • P(c);::S(E)
      • Refutation
        • S(i);
  • Actual
    • S(J);
    • Threat
      • S(E)
    • Vars
      • K(d);S_FLIGHT::R(L)+S(J),DCHECK,XP(f)
      • S(a);N_GUARD,XR(D)::S(E)
      • P(h);XP(K)::S(J),XP(h)
      • S(a);N_GUARD::S(E)
      • S(i);N_GUARD::S(J),XP(f)
      • P(g);::S(E),XP(g)
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