MESON Chess Problem Database

Problem Display
PID: 196642 (4n3/5BB1/p2P4/Rq3k2/3pNppp/3N4/1b2Q3/3K4 w - - 0 1)

Burbach, Johannes Jacob

Haagsche Post, 1944

4n3/5BB1/p2P4/Rq3k2/3pNppp/3N4/1b2Q3/3K4

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Rxc5#
    • 1...Qd5
      • 2.Rxd5#
    • 1...Qe5
      • 2.Rxe5#
  • Keys
    • 1.Sec5!
      • threat
        • 2.Qe5#
      • 1...Qxd3+
        • 2.Sxd3#
      • 1...Qa4+
        • 2.Sxa4#
      • 1...Qb3+
        • 2.Sxb3#
      • 1...Kg5
        • 2.Qe5#
      • 1...Qxc5
        • 2.Rxc5#
      • 1...g3
        • 2.Qh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • Q(f);OGATE::R(E),XQ(f)
    • Q(f);OGATE::R1(E),XQ(f)
  • Actual
    • S(D);N_PINQ(f)
    • Threat
      • QAR1(B)
    • Vars
      • Q(f);CHECK,XS(C)::R(E)+S(D),XQ(f)
      • Q(f);CHECK::R(E)+S(D),XQ(f)
      • K(g);P-FLIGHT::QAR2(B)
      • Q(f);OGATE,P_SPINQ(f),XS(D)::R(E),XQ(f)
      • P(d);OGATE::QAR2(B)
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