MESON Chess Problem Database

Problem Display
PID: 4861 (b7/3pr3/1p1r1b2/3kp1n1/2RN2P1/1Q6/4P1K1/8 w - - 0 1)

Tuzar, Vaclav

Nove mody, 1892

b7/3pr3/1p1r1b2/3kp1n1/2RN2P1/1Q6/4P1K1/8

#2

6 + 9

5584 Galerie Ceskoslovenskych Skladatelu 01 1965

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Qb5#
  • Tries
    • 1.Rc6+?
      • 1...Kxd4
        • 2.Qd3#
      • 1...Ke4!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sc7#
      • 1...Kxe6+
        • 2.Rc6#
      • 1...Rdxe6
        • 2.Qd3#
      • 1...Rexe6
        • 2.Qd3#
        • 2.Qb5#
      • 1...Sxe6
        • 2.e4#
      • 1...dxe6
        • 2.Qd3#
        • 2.Qb5#
      • 1...Rc6
        • 2.Rd4#
      • 1...e4
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAR2(C)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_PINR(D),XS(E)::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(a);CHECK,S_FLIGHT,XS(E)::QAB(C)+R(D)
      • R(e);SBLOCK,XS(E)::QAR2(C)
      • S(c);N_GUARD,SBLOCK,XS(E)::P(A)
      • R(e);SBLOCK::QAB(C)+R(D),DCHECK
      • P(b);SBLOCK::QAB(C)+R(D),DCHECK
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