MESON Chess Problem Database

Problem Display
PID: 171382 (8/8/8/8/8/Kp1Q4/b7/N1k5 w - - 0 1)

Antipov, Viacheslav Pavlovich

Temp-64 (Nikolaev), 1995

8/8/8/8/8/Kp1Q4/b7/N1k5

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Sxb3#
    • 1...b2
      • 2.Qc2#
  • Tries
    • 1.Qd2+?
      • 1...Kb1
        • 2.Qe1#
        • 2.Qd1#
        • 2.Qb2#
      • 1...Kxd2!
    • 1.Qc3+?
      • 1...Kb1
        • 2.Qe1#
        • 2.Qb2#
      • 1...Kd1!
    • 1.Qe3+?
      • 1...Kb1
        • 2.Qg1#
        • 2.Qe1#
      • 1...Kd1!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qe1#
      • 1...Kb1
        • 2.Qd1#
        • 2.Qf1#
        • 2.Qe1#
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD::S(A),XP(c)
    • P(c);N_GUARD::QAR1(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAR2(C)
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