MESON Chess Problem Database

Problem Display
PID: 161758 (8/4N3/8/2p1p3/3k4/1Q6/8/b2K4 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1996

8/4N3/8/2p1p3/3k4/1Q6/8/b2K4

#2

3 + 4

5454 Near Snap 2017
15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Sc6#
  • Tries
    • 1.Kd2?
      • threat
        • 2.Qd5#
        • 2.Qd3#
      • 1...Ke4
        • 2.Qe3#
      • 1...c4
        • 2.Qe3#
      • 1...e4
        • 2.Sc6#
        • 2.Qd5#
      • 1...Bc3+!
  • Keys
    • 1.Ke2!
      • threat
        • 2.Qd3#
      • 1...Ke4
        • 2.Qe3#
      • 1...c4
        • 2.Qe3#
      • 1...Bc3
        • 2.Qd5#
      • 1...e4
        • 2.Sc6#

This anticipates 24232(1998)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK::S(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
        • P(c);SBLOCK::QAB1(B)
      • Refutation
        • B(a);CHECK
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • QAR1(B)
    • Vars
      • K(b);P-FLIGHT::QAR1(B)
      • P(c);SBLOCK::QAB1(B)
      • B(a);SBLOCK::QAR1(B)
      • P(d);SBLOCK::S(C)
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