MESON Chess Problem Database

Problem Display
PID: 47718 (7R/K7/2p5/kNQ5/8/8/4b3/8 w - - 0 1)

Nikitin, Vladimir V

Sachsische Zeitung, 1995

7R/K7/2p5/kNQ5/8/8/4b3/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Sc3#
    • 1...Bf3
      • 2.Sc3#
    • 1...Bg4
      • 2.Sc3#
    • 1...Bh5
      • 2.Sc3#
    • 1...cxb5
      • 2.Qa3#
  • Tries
    • 1.Rh3?
      • threat
        • 2.Ra3#
      • 1...Ka4
        • 2.Ra3#
      • 1...Bd1
        • 2.Sc3#
      • 1...Bf3
        • 2.Sc3#
      • 1...Bd3!
    • 1.Rh4?
      • threat
        • 2.Qb4#
        • 2.Qb6#
      • 1...Bg4
        • 2.Sc3#
      • 1...Bc4!
    • 1.Rb8?
      • threat
        • 2.Qa3#
      • 1...Ka4
        • 2.Sc3#
        • 2.Qa3#
      • 1...Bd1
        • 2.Sc3#
      • 1...Bxb5!
  • Keys
    • 1.Rh5!
      • threat
        • 2.Qa3#
      • 1...Ka4
        • 2.Qa3#
      • 1...Bxh5
        • 2.Sc3#
      • 1...Bd1
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::QAR(B)+S(A)
    • P(c);P_SPINP(c),SBLOCK,XS(A)::QAR2(B)
  • Tries
    • Try
      • R(D);
      • Threat
        • R(D)
      • Vars
        • K(b);P-FLIGHT::R1(D)
        • B(a);N_GUARD::QAR(B)+S(A)
      • Refutation
        • B(a);
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);N_GUARD::QAR(B)+S(A)
      • Refutation
        • B(a);
    • Try
      • R(D);
      • Threat
        • QAR2(B)
      • Vars
        • B(a);N_GUARD::QAR(B)+S(A)
      • Refutation
        • B(a);P_SPINB(a),XS(A)
  • Actual
    • R(D);
    • Threat
      • QAR2(B)
    • Vars
      • K(b);P-FLIGHT::QAR1(B)
      • B(a);N_GUARD,XR(D)::QAR(B)+S(A)
      • B(a);N_GUARD::QAR(B)+S(A)
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