MESON Chess Problem Database

Problem Display
PID: 194201 (8/3p4/5K2/1Ppk4/4N3/2P2Q2/Pn6/8 w - - 0 1)

Tauber, F Aurel

Magyar Sakkvilag, 1917

8/3p4/5K2/1Ppk4/4N3/2P2Q2/Pn6/8

#2

6 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Sd6#
    • 1...Sd1
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sa4
      • 2.Qd3#
    • 1...Sc4
      • 2.Qd3#
    • 1...c4
      • 2.Qf5#
    • 1...d6
      • 2.Sd2#
  • Tries
    • 1.Kf5?
      • 1...Kc4
        • 2.Sd6#
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#
      • 1...Sc4
        • 2.Qd3#
      • 1...d6
        • 2.Sd2#
      • 1...c4!
    • 1.a3?
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#
      • 1...Sc4
        • 2.Qd3#
      • 1...c4
        • 2.Qf5#
      • 1...d6
        • 2.Sd2#
      • 1...Kc4!
  • Keys
    • 1.a4!
      • 1...Kc4
        • 2.Sd2#
      • 1...Sxa4
        • 2.Qd3#
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sc4
        • 2.Qd3#
      • 1...c4
        • 2.Qf5#
      • 1...d6
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::S(D)
    • S(a);N_GUARD::QAR2(C)
    • S(a);N_GUARD::QAR2(C),XS(a)
    • P(b);SBLOCK::QAR2(C)
    • P(d);SBLOCK::QAB(C)+S(D)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::S(D)
        • S(a);N_GUARD::QAR2(C)
        • S(a);N_GUARD::QAR2(C),XS(a)
        • P(d);SBLOCK::QAB(C)+S(D)
      • Refutation
        • P(b);
    • Try
      • P(A);
      • Vars
        • S(a);N_GUARD::QAR2(C)
        • S(a);N_GUARD::QAR2(C),XS(a)
        • P(b);SBLOCK::QAR2(C)
        • P(d);SBLOCK::QAB(C)+S(D)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • P(A);
    • Vars
      • K(c);S_FLIGHT::S(D)
      • S(a);N_GUARD,XP(A)::QAR2(C)
      • S(a);N_GUARD::QAR2(C)
      • S(a);N_GUARD::QAR2(C),XS(a)
      • P(b);SBLOCK::QAR2(C)
      • P(d);SBLOCK::QAB(C)+S(D)
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