MESON Chess Problem Database

Problem Display
PID: 85652 (8/6p1/8/pR1N4/3Bkp2/2Q3p1/2N5/3K2b1 w - - 0 1)

Pavlov, Mikhail Aleksandrovich

Intelectualie Egri, 1993

8/6p1/8/pR1N4/3Bkp2/2Q3p1/2N5/3K2b1

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Sf6#
    • 1...g6
      • 2.Sf6#
  • Tries
    • 1.Sdb4?
      • threat
        • 2.Re5#
        • 2.Qd3#
        • 2.Qc6#
      • 1...Bxd4
        • 2.Qd3#
        • 2.Qc6#
      • 1...axb4
        • 2.Re5#
      • 1...Be3
        • 2.Qc6#
      • 1...f3!
    • 1.Qf3+?
      • 1...Kf5
        • 2.Sxf4#
      • 1...Kxf3!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Sdb4#
      • 1...Kd3
        • 2.Sxf4#
      • 1...Kf3
        • 2.Sf6#
      • 1...Kf5
        • 2.Sde3#
      • 1...f3
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • P(f);N_GUARD::S(F)
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(3)
      • Vars
        • P(e);XS(F)::R1(E)
        • B(a);::QAB(C)
      • Refutation
        • P(d);
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P_SPINP(d),S_FLIGHT::R(E)+S(F),XP(d)
      • Refutation
        • K(c);S_FLIGHT,XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAB(C)+S(F)
    • Vars
      • K(c);S_FLIGHT::S(F),XP(d)
      • K(c);S_FLIGHT::QAB(C)+S(F)
      • K(c);S_FLIGHT::R(E)+S(F),DCHECK
      • P(d);SBLOCK::QAB(C)
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