MESON Chess Problem Database

Problem Display
PID: 43566 (6r1/B4Q2/N2NRP1b/1p1k1p2/bP3rp1/5p2/8/7K w - - 0 1)

Gevers, Raymond

Echec et Mat, 1948

6r1/B4Q2/N2NRP1b/1p1k1p2/bP3rp1/5p2/8/7K

#2

8 + 9

461 Schach-Express 1948

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qb7#
    • 1...Rxb4
      • 2.Sxb4#
  • Tries
    • 1.Re1+?
      • 1...Kxd6
        • 2.Qe6#
      • 1...Kc6!
    • 1.Re2+?
      • 1...Kxd6
        • 2.Qe6#
      • 1...Kc6!
    • 1.Re3+?
      • 1...Kxd6
        • 2.Qe6#
      • 1...Kc6!
    • 1.Re4+?
      • 1...Kxd6
        • 2.Qe6#
      • 1...Kc6!
    • 1.Re5+?
      • 1...Kc6
        • 2.Qc7#
      • 1...Kxd6
        • 2.Qd5#
        • 2.Qe6#
        • 2.Qc7#
      • 1...Kxe5!
    • 1.Re7+?
      • 1...Kxd6
        • 2.Qe6#
      • 1...Kc6!
    • 1.Re8+?
      • 1...Kxd6
        • 2.Qe6#
      • 1...Kc6!
    • 1.Qd7?
      • threat
        • 2.Sc7#
      • 1...Rc4
        • 2.Se4#
        • 2.Sxb5#
        • 2.Sxf5#
        • 2.Sb7#
        • 2.Sf7#
        • 2.Sc8#
        • 2.Se8#
      • 1...Rc8!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Se3#
      • 1...Kxc4
        • 2.Re3#
      • 1...Rxc4
        • 2.Qd7#
      • 1...bxc4
        • 2.Sc7#
      • 1...Rd4
        • 2.Sb6#
      • 1...Re4
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • K(f);S_FLIGHT::QAB1(H)
    • R(c);XP(B)::S(C),XR(c)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(f);P-FLIGHT,XS(D)::QAR1(H)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(f);P-FLIGHT,XS(D)::QAR1(H)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(f);P-FLIGHT,XS(D)::QAR1(H)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(f);P-FLIGHT,XS(D)::QAR1(H)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(f);S_FLIGHT::QAR1(H)
      • Refutation
        • K(f);P-FLIGHT,XR(E)
    • Try
      • R(E);CHECK
      • Vars
        • K(f);P-FLIGHT,XS(D)::QAR1(H)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(f);P-FLIGHT,XS(D)::QAR1(H)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • Q(H);
      • Threat
        • S(C)
      • Refutation
        • R(i);
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(f);S_FLIGHT,XS(D)::QAB(H)+R(E)
      • R(c);SBLOCK,XS(D)::QAR2(H)
      • P(e);SBLOCK,XS(D)::S(C)
      • R(c);SBLOCK::S(D)
      • R(c);SBLOCK::QAB(H)+R(E),DCHECK
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