MESON Chess Problem Database

Problem Display
PID: 7715 (5N2/bK4p1/2R3p1/1NPk1P1B/1p2pP2/1P1p4/8/8 w - - 0 1)

Poponin, Vladimir Grigorievich

Rychkov, Vladimir Nikolaevich

3rd HM., Sverdlovsk 32. Ty., 1993

5N2/bK4p1/2R3p1/1NPk1P1B/1p2pP2/1P1p4/8/8

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Bf3#
    • 1...gxf5
      • 2.Bf7#
    • 1...g5
      • 2.Bf7#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sbc7#
        • 2.Sec7#
        • 2.Rd6#
      • 1...Bxc5
        • 2.Sbc7#
        • 2.Sec7#
        • 2.Rxc5#
      • 1...e3
        • 2.Bf3#
      • 1...Bb6
        • 2.Rd6#
      • 1...Bb8!
    • 1.Sxg6?
      • threat
        • 2.Se7#
      • 1...e3
        • 2.Bf3#
      • 1...Bxc5!
    • 1.Re6?
      • threat
        • 2.Re5#
      • 1...Kxc5
        • 2.Re5#
      • 1...Bb8!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Rd6#
      • 1...Bxc5
        • 2.Rxc5#
      • 1...e3
        • 2.Bf3#
      • 1...Bb8
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • P(c);OGATEB::B(F)
    • P(e);OGATE,XP(E)::B(F)
    • P(e);OGATE::B(F)
  • Tries
    • Try
      • S(I);
      • Threat
        • DUALS(3)
      • Vars
        • P(c);OGATEB::B(F)
        • B(f);::R1(G)
      • Refutation
        • B(f);
    • Try
      • S(I);XP(e)
      • Threat
        • S(I)
      • Vars
        • P(c);OGATEB::B(F)
      • Refutation
        • B(f);XP(D)
    • Try
      • R(G);
      • Threat
        • R1(G)
      • Vars
        • K(d);P-FLIGHT,XP(D)::R(G)
      • Refutation
        • B(f);
  • Actual
    • S(I);
    • Threat
      • R1(G)
    • Vars
      • B(f);OGATE,XP(D)::R1(G),XB(f)
      • P(c);OGATEB::B(F)
      • B(f);N_GUARD::S(I)
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