MESON Chess Problem Database

Problem Display
PID: 138860 (5R2/2p1p3/8/3P2Q1/3k4/N4P2/6K1/4B3 w - - 0 1)

Fomichev, Evgeny Vasilevich

Aleksandr Galitzky - Shakhmaty Geine (Vol 1), 2010

5R2/2p1p3/8/3P2Q1/3k4/N4P2/6K1/4B3

#2

7 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qd2#
  • Tries
    • 1.Bf2+?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kc3!
    • 1.Qd2+?
      • 1...Ke5
        • 2.Sc4#
        • 2.Bg3#
      • 1...Kc5!
  • Keys
    • 1.Rd8!
      • 1...Kd3
        • 2.Qd2#
      • 1...Kc5
        • 2.Qe3#
      • 1...c5
        • 2.dxc5 ep#
      • 1...c6
        • 2.dxc6#
      • 1...e5
        • 2.dxe5 ep#
      • 1...e6
        • 2.dxe6#

This is a version of 138859

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR1(F)
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(G);
    • Vars
      • K(a);P-FLIGHT::QAR1(F)
      • K(a);S_FLIGHT::QAB(F)
      • P(b);OGATE::R(G)+P(E),XP(b),EP
      • P(b);OGATE::R(G)+P(E),XP(b)
      • P(c);OGATE::R(G)+P(E),XP(c),EP
      • P(c);OGATE::R(G)+P(E),XP(c)
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