MESON Chess Problem Database

Problem Display
PID: 144536 (n2B4/1Q2p2K/prN1B1Pp/Pk4qR/b2p2p1/R1pN4/2p5/8 w - - 0 1)

Deuzemann, J

1st Prize, Dutch National Ty., 1914

n2B4/1Q2p2K/prN1B1Pp/Pk4qR/b2p2p1/R1pN4/2p5/8

#2

10 + 12

14967 British Chess Magazine Chess Annual 1915 1915

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Rxc5#
    • 1...Qe5
      • 2.Rxe5#
    • 1...Qf5
      • 2.Rxf5#
    • 1...Rxb7
      • 2.Sxd4#
    • 1...Bb3
      • 2.Sxd4#
      • 2.Sa7#
    • 1...Sc7
      • 2.Qxb6#
  • Tries
    • 1.Bxb6?
      • threat
        • 2.Sxd4#
        • 2.Sa7#
      • 1...Sxb6
        • 2.Qxb6#
      • 1...Qd5!
  • Keys
    • 1.Sce5!
      • threat
        • 2.Qd5#
      • 1...Qxg6+
        • 2.Sxg6#
      • 1...Kxa5
        • 2.Qd5#
      • 1...Qxe5
        • 2.Rxe5#
      • 1...Rxb7
        • 2.Bc4#
      • 1...Bb3
        • 2.Bd7#
      • 1...Sc7
        • 2.Qxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(g);OGATE::R1(D),XQ(g)
    • Q(g);OGATE::R(D),XQ(g)
    • Q(g);OGATE,P_PINP(G)::R(D),XQ(g)
    • R(i);N_SPINR(i),XQ(H)::S(E),XP(d)
    • S(l);N_GUARD::QAR1(H),XR(i)
  • Tries
    • Try
      • B(J);XR(i)
      • Threat
        • DUALS(2)
      • Vars
        • S(l);OGATE,P_SPINS(l),XB(J)::QAR1(H),XS(l)
      • Refutation
        • Q(g);
  • Actual
    • S(E);N_PINQ(g)
    • Threat
      • QAR2(H)
    • Vars
      • Q(g);CHECK,XP(G)::R(D)+S(E),XQ(g)
      • K(f);P-FLIGHT,P_SPINB(c),XP(C)::QAR(H)
      • Q(g);OGATE,P_SPINQ(g),XS(E)::R(D),XQ(g)
      • R(i);N_SPINR(i),XQ(H)::B(F)
      • B(c);::B(F)
      • S(l);N_GUARD::QAR1(H),XR(i)
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