MESON Chess Problem Database

Problem Display
PID: 74330 (6Q1/8/K3R2p/2p5/3kN2R/1p6/1P6/8 w - - 0 1)

Rohm, Gustav

Tijdschrift vd KNSB, 1938

6Q1/8/K3R2p/2p5/3kN2R/1p6/1P6/8

#2

6 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Sc3#
      • 2.Sf6#
  • Tries
    • 1.Sg5+?
      • 1...Kd5
        • 2.Qa8#
        • 2.Qd8#
      • 1...Kd3!
    • 1.Rd6+?
      • 1...Ke5
        • 2.Rd5#
        • 2.Qd5#
        • 2.Qe6#
      • 1...Ke3!
    • 1.Qg3?
      • threat
        • 2.Sc3#
        • 2.Sf6#
      • 1...Kc4
        • 2.Sc3#
        • 2.Sf6#
      • 1...c4
        • 2.Rd6#
      • 1...Kd5!
    • 1.Qd8+?
      • 1...Kc4
        • 2.Sd2#
        • 2.Sf2#
        • 2.Sc3#
        • 2.Sg3#
        • 2.Sg5#
        • 2.Sf6#
      • 1...Ke3!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Sf2#
      • 1...Kd3
        • 2.Sxc5#
      • 1...Ke3
        • 2.Sxc5#
      • 1...Kc4
        • 2.Sf2#
      • 1...Kd5
        • 2.Sg5#
      • 1...c4
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(E);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);SBLOCK::R(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(F);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(F);
    • Threat
      • R(C)+S(B)
    • Vars
      • K(b);P-FLIGHT::S(B),XP(c)
      • K(b);S_FLIGHT::R(E)+S(B),XP(c)
      • K(b);P-FLIGHT::R(C)+S(B)
      • K(b);P-FLIGHT::QAB(F)+S(B)
      • P(c);SBLOCK::QAR2(F)
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