MESON Chess Problem Database

Problem Display
PID: 136402 (8/8/8/3pK3/3Qp1N1/2Np4/2pk4/R1b5 w - - 0 1)

Czene, Istvan

2nd HM., Magyar Sakkszovetseg, 1991

8/8/8/3pK3/3Qp1N1/2Np4/2pk4/R1b5

#2

5 + 6

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Ke1
      • 2.Qf2#
  • Tries
    • 1.Se3?
      • 1...Bb2
        • 2.Sf1#
      • 1...Ba3
        • 2.Sf1#
      • 1...Ke1!
    • 1.Ra3?
      • threat
        • 2.Qf2#
        • 2.Qe3#
      • 1...Ke1
        • 2.Qf2#
      • 1...Bb2
        • 2.Qe3#
      • 1...e3
        • 2.Qxe3#
      • 1...Bxa3!
  • Keys
    • 1.Sh2!
      • 1...Ke1
        • 2.Qe3#
      • 1...Bb2
        • 2.Sf1#
      • 1...Ba3
        • 2.Sf1#
      • 1...e3
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINP(d),P_SPINB(a),S_FLIGHT::QAB1(C)
  • Tries
    • Try
      • S(D);
      • Vars
        • B(a);::S(D)
      • Refutation
        • K(c);N_SPINP(d),P_SPINB(a),S_FLIGHT
    • Try
      • R(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);N_SPINP(d),S_FLIGHT::QAB1(C)
        • B(a);::QAB1(C)
        • P(e);::QAB1(C),XP(e)
      • Refutation
        • B(a);XR(A)
  • Actual
    • S(D);
    • Vars
      • K(c);N_SPINP(d),P_SPINB(a),S_FLIGHT::QAR2(C)
      • B(a);::S(D)
      • P(e);N_GUARD::S(D)
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