MESON Chess Problem Database

Problem Display
PID: 246627 (8/P2N2B1/2pp4/3k1Kn1/2p5/8/1PBP3p/2R1b3 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Sp. Prize, Moscow Ty., 2019

8/P2N2B1/2pp4/3k1Kn1/2p5/8/1PBP3p/2R1b3

#2

8 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3
      • 2.Be4#
    • 1...Sh3
      • 2.Be4#
    • 1...Se4
      • 2.Bxe4#
    • 1...Se6
      • 2.Be4#
    • 1...Sf7
      • 2.Be4#
    • 1...Sh7
      • 2.Be4#
    • 1...c3
      • 2.Bb3#
    • 1...c5
      • 2.a8Q#
      • 2.a8B#
  • Tries
    • 1.Bd3?
      • threat
        • 2.Bxc4#
      • 1...cxd3
        • 2.Sb6#
      • 1...c5
        • 2.a8Q#
        • 2.a8B#
      • 1...c3!
    • 1.b4?
      • threat
        • 2.Sb6#
      • 1...cxb4 ep
        • 2.Bxb3#
      • 1...c5
        • 2.a8Q#
        • 2.a8B#
      • 1...Bf2!
    • 1.d4?
      • threat
        • 2.Sb6#
      • 1...cxd4 ep
        • 2.Bb3#
      • 1...c5
        • 2.a8Q#
        • 2.a8B#
      • 1...Ba5!
    • 1.a8S?
      • threat
        • 2.Sab6#
        • 2.Sc7#
      • 1...c3
        • 2.Sab6#
        • 2.Bb3#
      • 1...Bf2
        • 2.Sc7#
      • 1...Se6
        • 2.Sab6#
        • 2.Be4#
      • 1...c5!
  • Keys
    • 1.Bb3!
      • threat
        • 2.Bxc4#
      • 1...cxb3
        • 2.Sb6#
      • 1...c5
        • 2.a8Q#
        • 2.a8B#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • S(e);N_GUARD::B(C)
    • S(e);N_GUARD::B(C),XS(e)
    • P(c);OGATEB::B(C)
    • P(f);::P=Q
  • Tries
    • Try
      • B(C);
      • Threat
        • B(C),XP(c)
      • Vars
        • P(c);XB(C)::S(G)
        • P(f);::P=Q
      • Refutation
        • P(c);
    • Try
      • P(B);
      • Threat
        • S(G)
      • Vars
        • P(c);EP,OGATEB,XP(B)::B(C),XP(c)
        • P(f);::P=Q
      • Refutation
        • B(a);
    • Try
      • P(D);
      • Threat
        • S(G)
      • Vars
        • P(c);EP,OGATEB,XP(D)::B(C)
        • P(f);::P=Q
      • Refutation
        • B(a);
    • Try
      • P(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::S(F)
      • Refutation
        • P(f);
  • Actual
    • B(C);P_PINP(c)
    • Threat
      • B(C),XP(c)
    • Vars
      • P(c);N_SPINP(c),XB(C)::S(G)
      • P(f);::P=Q
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