MESON Chess Problem Database

Problem Display
PID: 184764 (8/8/4p3/2P3p1/4k3/4P2B/4P2N/1KQ5 w - - 0 1)

Bobrov, Pavel Pavlovich

Novoye Vremya, 1908

8/8/4p3/2P3p1/4k3/4P2B/4P2N/1KQ5

#2

7 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qd2?
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...e5
        • 2.Qd3#
      • 1...g4!
    • 1.Qc3?
      • threat
        • 2.Qd4#
      • 1...Kd5
        • 2.Bg2#
      • 1...e5
        • 2.Qd3#
      • 1...g4!
    • 1.Qc4+?
      • 1...Ke5
        • 2.Qxe6#
        • 2.Qd4#
      • 1...Kxe3!
  • Keys
    • 1.Sg4!
      • 1...Kd5
        • 2.Bg2#
      • 1...Kf5
        • 2.Qc2#
      • 1...e5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
        • P(c);SBLOCK::QAB1(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::B(F)
        • P(c);SBLOCK::QAB1(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XP(E)
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::B(F)
      • K(a);S_FLIGHT::QAB(B)
      • P(c);SBLOCK::S(D)
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