MESON Chess Problem Database

Problem Display
PID: 233744 (2n1b3/1Q2p3/2N1pn2/7p/3bBk1K/4R3/5B2/8 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Freie Presse, 1986

2n1b3/1Q2p3/2N1pn2/7p/3bBk1K/4R3/5B2/8

#2

6 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4?
      • threat
        • 2.Sd3#
      • 1...Ke5
        • 2.Bg3#
      • 1...Sxe4
        • 2.Qxe4#
      • 1...Bb5!
    • 1.Qb1?
      • threat
        • 2.Rf3#
      • 1...Bxe3
        • 2.Bg3#
      • 1...Sxe4
        • 2.Qxe4#
      • 1...Bxc6!
    • 1.Qb3?
      • threat
        • 2.Bg3#
      • 1...Bxe3
        • 2.Qxe3#
      • 1...Sxe4
        • 2.Rf3#
      • 1...Bc3!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sd3#
      • 1...Kxe5
        • 2.Bg3#
      • 1...Bxe5
        • 2.Rf3#
      • 1...Sxe4
        • 2.Qxe4#
      • 1...Bb5
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • K(b);S_FLIGHT::B(A)
        • S(e);OGATE,XB(C)::QAR1(F),XS(e)
      • Refutation
        • B(h);
    • Try
      • Q(F);
      • Threat
        • R1(B)
      • Vars
        • B(a);SBLOCK,XR(B)::B(A)
        • S(e);OGATE,XB(C)::QAR1(F),XS(e)
      • Refutation
        • B(h);XS(E)
    • Try
      • Q(F);
      • Threat
        • B(A)
      • Vars
        • B(a);OGATE,XR(B)::QAB1(F),XB(a)
        • S(e);SBLOCK,XB(C)::R1(B)
      • Refutation
        • B(a);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(b);S_FLIGHT,XS(E)::B(A)
      • B(a);SBLOCK,XS(E)::R1(B)
      • S(e);OGATE,XB(C)::QAR1(F),XS(e)
      • B(h);N_GUARD::S(E)
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