MESON Chess Problem Database

Problem Display
PID: 171316 (6R1/8/Q7/4B3/3Pk3/8/6K1/6N1 w - - 0 1)

Antipov, Viacheslav Pavlovich

Schach-Echo, 1990

6R1/8/Q7/4B3/3Pk3/8/6K1/6N1

#2

6 + 1

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qe2#
    • 1...Kf5
      • 2.Qg6#
  • Tries
    • 1.Kf1?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5
        • 2.Qg6#
      • 1...Kd5!
    • 1.Kh1?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5
        • 2.Qg6#
      • 1...Kd5!
    • 1.Kf2?
      • 1...Kf5
        • 2.Qg6#
      • 1...Kd5!
    • 1.Kh2?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5
        • 2.Qg6#
      • 1...Kd5!
    • 1.Kg3?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5
        • 2.Qg6#
      • 1...Kd5!
    • 1.Kh3?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5
        • 2.Qg6#
      • 1...Kd5!
    • 1.Se2?
      • 1...Kd5
        • 2.Sc3#
      • 1...Kf5
        • 2.Sg3#
        • 2.Qg6#
      • 1...Ke3!
    • 1.Rg3?
      • 1...Kf5
        • 2.Qg6#
      • 1...Kd5!
    • 1.Rg4+?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5
        • 2.Qc8#
        • 2.Qg6#
      • 1...Kd5!
    • 1.Rg5?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5!
    • 1.Rg7?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5
        • 2.Qg6#
      • 1...Kd5!
    • 1.Rc8?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5
        • 2.Qc6#
      • 1...Kf5!
    • 1.Rd8?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5!
    • 1.Rf8?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5!
    • 1.Qf1?
      • threat
        • 2.Qf3#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5!
    • 1.Qe2+?
      • 1...Kf5
        • 2.Qg4#
      • 1...Kd5!
    • 1.Qc4?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5!
    • 1.Qb5?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5!
  • Keys
    • 1.Rg6!
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5
        • 2.Qc6#
      • 1...Kf5
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR1(E)
    • K(a);S_FLIGHT::QAB1(E)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);S_FLIGHT::S(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(F);
    • Vars
      • K(a);P-FLIGHT::QAR1(E)
      • K(a);S_FLIGHT::QAB1(E)
      • K(a);S_FLIGHT::QAB(E)
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