MESON Chess Problem Database

Problem Display
PID: 267421 (8/3K1Q1B/8/8/3kN3/8/3B4/8 w - - 0 1)

Shmatov, Vladimir Afanasievich

Zadachi i Etyudi, 2013

8/3K1Q1B/8/8/3kN3/8/3B4/8

#2

5 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Bc3#
  • Tries
    • 1.Kc6?
      • threat
        • 2.Qd5#
      • 1...Ke5
        • 2.Bc3#
        • 2.Qd5#
        • 2.Qf6#
      • 1...Kd3!
    • 1.Kc7?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kd3!
    • 1.Ke7?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kd3!
    • 1.Kc8?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kd3!
    • 1.Kd8?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kd3!
    • 1.Ke8?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kd3!
    • 1.Sf2?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kc5!
    • 1.Sc3?
      • threat
        • 2.Qd5#
      • 1...Ke5
        • 2.Qf4#
        • 2.Qg7#
      • 1...Kc5!
    • 1.Sg3?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kc5!
    • 1.Sc5?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kxc5!
    • 1.Sg5?
      • 1...Ke5
        • 2.Sf3#
        • 2.Bc3#
      • 1...Kc5!
    • 1.Sd6?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kc5!
    • 1.Bc1?
      • 1...Ke5
        • 2.Bb2#
      • 1...Kd3!
    • 1.Bh6?
      • 1...Ke5
        • 2.Bg7#
      • 1...Kd3!
    • 1.Bg6?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kd3!
    • 1.Qc4+?
      • 1...Ke5
        • 2.Qc5#
      • 1...Kxc4!
    • 1.Qf2+?
      • 1...Kd3
        • 2.Sd6#
      • 1...Kd5
        • 2.Qc5#
      • 1...Ke5
        • 2.Qc5#
      • 1...Kc4!
  • Keys
    • 1.Bg8!
      • threat
        • 2.Qd5#
      • 1...Kd3
        • 2.Qc4#
      • 1...Kxe4
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::B(A)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • QAR1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Threat
        • QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
    • Try
      • S(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT,XQ(D)
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT::B(E)+S(B)
        • K(a);OGATE,P-FLIGHT::QAR1(D)
        • K(a);OGATE,S_FLIGHT::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(E);
    • Threat
      • QAR1(D)
    • Vars
      • K(a);N_GUARD,P-FLIGHT::QAB1(D)
      • K(a);P-FLIGHT,XS(B)::QAB1(D)
      • K(a);S_FLIGHT::QAR1(D)
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