MESON Chess Problem Database

Problem Display
PID: 121327 (6K1/8/1N2p3/8/8/k1bp3b/p5R1/N4Q2 w - - 0 1)

Huse, Hans Markus

Karlovac Chess Club, 1912

6K1/8/1N2p3/8/8/k1bp3b/p5R1/N4Q2

#2

5 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Qf8#
    • 1...Bb4
      • 2.Qc1#
    • 1...Bh8
      • 2.Qf8#
  • Tries
    • 1.Qc1+?
      • 1...Bb2
        • 2.Qxb2#
        • 2.Qc5#
      • 1...Kb4!
    • 1.Qd1?
      • threat
        • 2.Qb3#
        • 2.Qa4#
      • 1...Bxa1
        • 2.Qa4#
      • 1...Bxg2
        • 2.Qb3#
      • 1...Bd2
        • 2.Qb3#
      • 1...d2
        • 2.Qb3#
      • 1...Kb4!
  • Keys
    • 1.Rb2!
      • threat
        • 2.Rb3#
      • 1...Kxb2
        • 2.Sc4#
      • 1...Bxb2
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(c);N_GUARD::QAB(B)
    • B(c);N_GUARD,SBLOCK::QAB(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);XS(A)::QAR1(B)
        • B(e);XR(C)::QAR1(B)
        • B(c);::QAR1(B)
        • P(d);::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • K(b);S_FLIGHT,XR(C)::S(D)
      • B(c);N_GUARD,SBLOCK,XR(C)::QAB(B)
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