MESON Chess Problem Database

Problem Display
PID: 233231 (6bb/K3R3/2p4r/2n3p1/1P1k1p2/1Pp5/Q4P2/1B2N3 w - - 0 1)

Muller, Dieter

Freie Presse, 1965

6bb/K3R3/2p4r/2n3p1/1P1k1p2/1Pp5/Q4P2/1B2N3

#2

8 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qd2+?
      • 1...Sd3
        • 2.Qxd3#
      • 1...cxd2!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qxc5#
      • 1...Kd5
        • 2.Qxc5#
      • 1...Sxb3
        • 2.Re4#
      • 1...Sd3
        • 2.Sc2#
        • 2.Sf3#
      • 1...Sa4
        • 2.Sf3#
        • 2.Re4#
      • 1...Se4
        • 2.Sf3#
        • 2.Rxe4#
      • 1...Sa6
        • 2.Sf3#
        • 2.Re4#
      • 1...Se6
        • 2.Sf3#
        • 2.Rd7#
      • 1...Sb7
        • 2.Sf3#
        • 2.Re4#
      • 1...Sd7
        • 2.Sf3#
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • S(d);N_GUARD,P_SPINS(d)::QAR1(C),XS(d)
      • Refutation
        • P(a);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C),XS(d)
    • Vars
      • K(b);P-FLIGHT,P_SPINS(d)::QAR1(C),XS(d)
      • S(d);N_GUARD,XP(E)::R1(H)
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