MESON Chess Problem Database

Problem Display
PID: 207841 (8/4Q3/2P4B/3pNB2/2Pk2K1/8/4n3/1N4b1 w - - 0 1)

Evdokimov, Valery Antolovich

Sachova skladba, 1992

8/4Q3/2P4B/3pNB2/2Pk2K1/8/4n3/1N4b1

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...dxc4
      • 2.Qd6#
  • Tries
    • 1.Bf4?
      • threat
        • 2.Qa7#
      • 1...dxc4
        • 2.Qd6#
      • 1...Sxf4!
    • 1.Bg7?
      • threat
        • 2.Qa7#
      • 1...Ke3
        • 2.Sd3#
      • 1...dxc4!
    • 1.Qb4?
      • threat
        • 2.Sf3#
      • 1...Kxe5
        • 2.Bg7#
      • 1...dxc4
        • 2.Qd6#
      • 1...Sf4!
    • 1.Qc5+?
      • 1...Kxe5
        • 2.Bg7#
      • 1...Kxc5!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Qc5#
      • 1...Kxc4
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(d);OGATEB,XP(B)::QAR2(H)
  • Tries
    • Try
      • B(G);
      • Threat
        • QAB(H)
      • Vars
        • P(d);OGATEB,XP(B)::QAR2(H)
      • Refutation
        • S(b);XB(G)
    • Try
      • B(G);
      • Threat
        • QAB(H)
      • Vars
        • K(c);S_FLIGHT::QAR(H)+S(D)
      • Refutation
        • P(d);XP(B)
    • Try
      • Q(H);
      • Threat
        • S(D)
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(D)::B(G)
        • P(d);OGATEB,P_SPINP(d),XP(B)::QAR2(H)
      • Refutation
        • S(b);
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);P_SPINP(d),S_FLIGHT,XS(D)::B(G)
      • Refutation
        • K(c);S_FLIGHT,XQ(H)
  • Actual
    • S(D);
    • Threat
      • QAB1(H)
    • Vars
      • K(c);OGATEB,P-FLIGHT,XP(B)::QAR1(H)
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