MESON Chess Problem Database

Problem Display
PID: 200606 (5K2/8/6N1/3kB3/8/2p5/4B3/5Q2 w - - 0 1)

Shmatov, Vladimir Afanasievich

Zadachi i Etyudi, 2017

5K2/8/6N1/3kB3/8/2p5/4B3/5Q2

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qf3#
    • 1...Ke6
      • 2.Qf7#
  • Tries
    • 1.Bf3+?
      • 1...Ke6
        • 2.Qh3#
      • 1...Kc5!
    • 1.Bb5?
      • threat
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd3#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kc5!
    • 1.Qg2+?
      • 1...Ke6
        • 2.Bg4#
      • 1...Kc5!
    • 1.Qd1+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc5
        • 2.Qd6#
      • 1...Ke6
        • 2.Bg4#
      • 1...Kc6!
    • 1.Qh1+?
      • 1...Ke6
        • 2.Bg4#
      • 1...Kc5!
    • 1.Qf3+?
      • 1...Ke6
        • 2.Qf7#
      • 1...Kc5!
    • 1.Qf6?
      • 1...Ke4
        • 2.Qf3#
      • 1...Kc5
        • 2.Qd6#
      • 1...c2!
  • Keys
    • 1.Ba6!
      • threat
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc5
        • 2.Qb5#
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(A)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(B);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • K(b);OGATE,P-FLIGHT::QAB1(A)
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • P(a);
  • Actual
    • B(B);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • K(b);P-FLIGHT::QAR1(A)
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