MESON Chess Problem Database

Problem Display
PID: 96615 (2B2b1K/5Np1/5R2/3p4/4k3/1NPpr1pb/1r1B3p/1Q6 w - - 0 1)

Nield, Joshua

The Chess Problem, 1944

2B2b1K/5Np1/5R2/3p4/4k3/1NPpr1pb/1r1B3p/1Q6

#2

8 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Sxd2#
    • 1...Re1
      • 2.Rf4#
      • 2.Qxe1#
    • 1...Re2
      • 2.Rf4#
    • 1...Bc5
      • 2.Sxc5#
    • 1...d4
      • 2.Bb7#
  • Tries
    • 1.Qxd3+?
      • 1...Rxd3
        • 2.Rf4#
      • 1...Kxd3!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qxe3#
      • 1...Rxd2
        • 2.Sxd2#
      • 1...Rxe1
        • 2.Rf4#
      • 1...d4
        • 2.Bb7#
      • 1...Re2
        • 2.Rf4#
      • 1...Bc5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(a);XB(B)::S(C),XR(a)
    • R(d);::R1(E)
    • B(j);N_GUARD::S(C),XB(j)
    • P(h);OGATEB::B(G)
  • Tries
    • Try
      • Q(A);CHECK,XP(c)
      • Vars
        • R(d);SBLOCK,XQ(A)::R1(E)
      • Refutation
        • K(g);S_FLIGHT,XQ(A)
  • Actual
    • Q(A);N_PINP(c),P_PINR(d)
    • Threat
      • QAR1(A),XR(d)
    • Vars
      • R(a);XB(B)::S(C),XR(a)
      • R(d);N_SPINR(d),XQ(A)::R1(E)
      • P(h);OGATEB::B(G)
      • R(d);::R1(E)
      • B(j);N_GUARD::S(C),XB(j)
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