MESON Chess Problem Database

Problem Display
PID: 186345 (8/1p2p2K/1B4R1/4kp2/r3q3/2N2b2/6n1/2Q1R3 w - - 0 1)

Roosendaal, Jan C

Arbejder-Skak, 1956

8/1p2p2K/1B4R1/4kp2/r3q3/2N2b2/6n1/2Q1R3

#2

6 + 8

15601 Albrecht-Leiss-Degener Collection 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qd2?
      • threat
        • 2.Bc7#
      • 1...f4
        • 2.Qd5#
      • 1...Rd4
        • 2.Bxd4#
      • 1...Ra6
        • 2.Bd4#
      • 1...Rc4!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Re6#
      • 1...f4
        • 2.Qg5#
      • 1...e6
        • 2.Rxe6#
      • 1...Sf4
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • B(D)
      • Vars
        • P(f);P_PINR(E),SBLOCK::QAR1(A)
        • R(c);N_GUARD::B(D),XR(c)
        • R(c);N_GUARD::B(D)
      • Refutation
        • R(c);
  • Actual
    • Q(A);
    • Threat
      • R1(E)
    • Vars
      • P(f);OGATEB,P_PINR(E)::QAR2(A)
      • P(h);::R1(E),XP(h)
      • S(a);SBLOCK::QAB(A)
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