MESON Chess Problem Database

Problem Display
PID: 162689 (4N3/8/4K3/6kB/6P1/1R6/8/7Q w - - 0 1)

Shmatov, Vladimir Afanasievich

Zadachi i Etyudi, 2014

4N3/8/4K3/6kB/6P1/1R6/8/7Q

#2

6 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Kd5?
      • 1...Kf4
        • 2.Qc1#
      • 1...Kh6!
    • 1.Sd6?
      • 1...Kf4
        • 2.Qc1#
      • 1...Kh6!
    • 1.Sf6?
      • 1...Kf4
        • 2.Qc1#
      • 1...Kh6!
    • 1.Rb5+?
      • 1...Kh6
        • 2.Bf7#
      • 1...Kf4!
    • 1.Rb7?
      • 1...Kh6
        • 2.Qc1#
      • 1...Kf4!
    • 1.Qf3?
      • threat
        • 2.Qf6#
      • 1...Kh4
        • 2.Qf6#
      • 1...Kh6!
    • 1.Qe4?
      • 1...Kh6
        • 2.Qg6#
      • 1...Kh4!
    • 1.Qd5+?
      • 1...Kf4
        • 2.Rf3#
        • 2.Qe5#
        • 2.Qf5#
      • 1...Kh4
        • 2.Qd8#
      • 1...Kh6!
    • 1.Qb7?
      • 1...Kh4
        • 2.Qe7#
      • 1...Kh6
        • 2.Qg7#
      • 1...Kf4!
    • 1.Qb1?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kh6
        • 2.Qg6#
      • 1...Kh4!
    • 1.Qe1?
      • 1...Kf4
        • 2.Qe3#
        • 2.Qe5#
      • 1...Kh6!
    • 1.Qf1?
      • threat
        • 2.Qf6#
      • 1...Kh4
        • 2.Qf6#
      • 1...Kh6!
    • 1.Qh3?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh6!
    • 1.Qh4+?
      • 1...Kf4
        • 2.g5#
      • 1...Kh6
        • 2.Bf7#
      • 1...Kxh4!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qf6#
      • 1...Kf4
        • 2.Qe5#
      • 1...Kh4
        • 2.Qf6#
      • 1...Kh6
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR(A)+B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR(A)+P(C)
        • K(a);S_FLIGHT::QAR(A)+B(D)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);S_FLIGHT::QAB(A)
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