MESON Chess Problem Database

Problem Display
PID: 105576 (8/6N1/8/3Bk2K/1P3R2/2N1n3/3P4/2Q5 w - - 0 1)

Wahltuch, Victor Lionel

Montreal Gazette, 1893

8/6N1/8/3Bk2K/1P3R2/2N1n3/3P4/2Q5

#2

8 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qe1?
      • 1...Kxf4
        • 2.Qxe3#
      • 1...Kd6!
    • 1.d4+?
      • 1...Kxf4
        • 2.Se2#
      • 1...Kd6!
  • Keys
    • 1.Sb5!
      • 1...Kxf4
        • 2.Qc7#
      • 1...Kxd5
        • 2.Qc5#
      • 1...Sxd5
        • 2.d4#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Sd1
        • 2.Rf5#
      • 1...Sf1
        • 2.Rf5#
      • 1...Sc2
        • 2.Rf5#
      • 1...Sg2
        • 2.Rf5#
      • 1...Sc4
        • 2.Rf5#
      • 1...Sg4
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);P_PINS(a)
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT,XR(E)::QAB1(A),XS(a)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • P(B);CHECK
      • Vars
        • K(b);P_SPINS(a),S_FLIGHT,XR(E)::S(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(b);S_FLIGHT,XR(E)::QAB(A)
      • K(b);OGATEB,P-FLIGHT,XB(F)::QAR1(A)
      • S(a);SBLOCK,XB(F)::P(B)
      • S(a);N_GUARD::R1(E),XS(a)
      • S(a);N_GUARD::R1(E)
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