MESON Chess Problem Database

Problem Display
PID: 47996 (KR6/4n3/8/kB1N4/5r2/8/2N2b1Q/8 w - - 0 1)

Tomasits, B

Die Schwalbe, 1930

KR6/4n3/8/kB1N4/5r2/8/2N2b1Q/8

#2

6 + 4

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qc7#
  • Tries
    • 1.Qxf4?
      • threat
        • 2.Qd2#
        • 2.Qa4#
        • 2.Qb4#
      • 1...Sxd5
        • 2.Qa4#
      • 1...Bb6
        • 2.Qa4#
        • 2.Qb4#
      • 1...Be1
        • 2.Qc7#
        • 2.Qa4#
      • 1...Be3
        • 2.Qa4#
        • 2.Qb4#
      • 1...Bc5
        • 2.Qa4#
      • 1...Sc6
        • 2.Qa4#
      • 1...Bd4!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sb3#
      • 1...Rxd4
        • 2.Qc7#
      • 1...Bxd4
        • 2.Qa2#
      • 1...Sxd5
        • 2.Sc6#
      • 1...Rf3
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATE::QAB(B)
  • Tries
    • Try
      • Q(B);XR(b)
      • Threat
        • DUALS(3)
      • Vars
        • S(d);XS(D)::QAR1(B)
        • B(a);::QAR1(B)
        • S(d);::QAR1(B)
      • Refutation
        • B(a);
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • R(b);OGATE,XS(A)::QAB(B)
      • B(a);OGATE,XS(A)::QAR(B)
      • S(d);N_GUARD,XS(D)::S(A)
      • R(b);OGATE::QAB(B)
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