MESON Chess Problem Database

Problem Display
PID: 225466 (K1B3R1/8/1P1p4/3k4/1Q1P4/5P2/7b/n7 w - - 0 1)

Fomichev, Evgeny Vasilevich

Praca, 1997

K1B3R1/8/1P1p4/3k4/1Q1P4/5P2/7b/n7

#2

7 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Ba6?
      • threat
        • 2.Qc4#
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6!
    • 1.Be6+?
      • 1...Kc6
        • 2.Rc8#
        • 2.d5#
      • 1...Kxe6!
    • 1.Rg5+?
      • 1...Kc6
        • 2.Qb5#
        • 2.d5#
      • 1...Be5!
    • 1.Rd8?
      • threat
        • 2.Qc5#
      • 1...Kc6
        • 2.Bb7#
      • 1...Sb3!
  • Keys
    • 1.Rg6!
      • threat
        • 2.Bb7#
      • 1...Kc6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Threat
        • QAB1(B)
      • Vars
        • K(c);S_FLIGHT::QAB1(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(F);CHECK
      • Refutation
        • K(c);S_FLIGHT,XB(F)
    • Try
      • R(G);CHECK
      • Refutation
        • B(b);P_SPINB(b)
    • Try
      • R(G);P_PINP(d)
      • Threat
        • QAR1(B)
      • Vars
        • K(c);N_SPINP(d),S_FLIGHT::B(F)
      • Refutation
        • S(a);
  • Actual
    • R(G);
    • Threat
      • B(F)
    • Vars
      • K(c);P_SPINP(d),S_FLIGHT::QAR1(B)
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