MESON Chess Problem Database

Problem Display
PID: 49848 (7R/8/1K6/8/2N5/1k5B/2N5/3Q4 w - - 0 1)

Nikitin, Vladimir V

Rochade Europa, 2003

7R/8/1K6/8/2N5/1k5B/2N5/3Q4

#2

6 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Ka2
      • 2.Sb4#
  • Tries
    • 1.Kb5?
      • 1...Ka2
        • 2.Sb4#
      • 1...Kc3!
    • 1.Kc5?
      • 1...Ka2
        • 2.Sb4#
      • 1...Ka4
        • 2.Sa1#
        • 2.Se1#
        • 2.S2a3#
        • 2.S2e3#
        • 2.Sb4#
        • 2.Sd4#
      • 1...Kc3!
    • 1.Bf1?
      • 1...Ka2
        • 2.Sb4#
      • 1...Kc3
        • 2.Rh3#
        • 2.Qd3#
      • 1...Ka4!
    • 1.Bf5?
      • 1...Ka2
        • 2.Sb4#
      • 1...Kc3
        • 2.Qd3#
      • 1...Kxc4
        • 2.Qd3#
      • 1...Ka4!
    • 1.Rh4?
      • 1...Ka2
        • 2.Sb4#
      • 1...Ka4
        • 2.Sd2#
        • 2.Sa5#
      • 1...Kc3!
    • 1.Rd8?
      • 1...Ka2
        • 2.Sb4#
      • 1...Kc3
        • 2.Qd3#
      • 1...Kxc4
        • 2.Qd3#
      • 1...Ka4!
    • 1.Qd2?
      • 1...Ka4
        • 2.Qb4#
      • 1...Kxc4
        • 2.Be6#
      • 1...Ka2!
    • 1.Qd3+?
      • 1...Ka4
        • 2.Sb2#
        • 2.Bd7#
        • 2.Ra8#
        • 2.Qa3#
      • 1...Ka2!
    • 1.Qd4?
      • 1...Ka2
        • 2.Qb2#
      • 1...Ka4
        • 2.Sd2#
        • 2.Sa5#
      • 1...Kxc2!
  • Keys
    • 1.Be6!
      • 1...Ka2
        • 2.Sb4#
      • 1...Kc3
        • 2.Rh3#
      • 1...Ka4
        • 2.Sb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(B)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::S(B)
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT,XS(D)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::S(B)
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT,XS(D)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);OGATEB,S_FLIGHT,XS(D)::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::S(B)
      • K(a);P-FLIGHT::R(F)
      • K(a);S_FLIGHT::S(D)
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