MESON Chess Problem Database

Problem Display
PID: 121436 (K2N4/2pP1Q2/8/pkP1R3/p3r3/Pp2P3/1P5p/7B w - - 0 1)

Nemo, Ottmar (Weiss, Ottmar)

Der Schachfreund, 1898

K2N4/2pP1Q2/8/pkP1R3/p3r3/Pp2P3/1P5p/7B

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bxe4?
      • threat
        • 2.Bd3#
        • 2.Qf1#
      • 1...Ka6
        • 2.Bd3#
        • 2.Qc4#
        • 2.Qf1#
      • 1...h1B
        • 2.Qf1#
      • 1...h1R
        • 2.Bd3#
      • 1...h1Q!
    • 1.Rxe4?
      • threat
        • 2.Qc4#
      • 1...Ka6
        • 2.Qc4#
        • 2.Qf1#
      • 1...Kxc5!
  • Keys
    • 1.Se6!
      • 1...Kc4
        • 2.Qf1#
      • 1...Ka6
        • 2.Sxc7#
      • 1...Kc6
        • 2.Sd4#
      • 1...Rxe3
        • 2.Sxc7#
      • 1...Rxe5
        • 2.Qf1#
      • 1...c6
        • 2.Sc7#
      • 1...Rb4
        • 2.Sxc7#
      • 1...Rc4
        • 2.Sxc7#
      • 1...Rd4
        • 2.Sxc7#
      • 1...Rf4
        • 2.Sxc7#
      • 1...Rg4
        • 2.Sxc7#
      • 1...Rh4
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);XR(d)
      • Threat
        • DUALS(2)
      • Vars
        • P(a);P_PINB(A)::QAB(H)
        • P(a);::B(A)
      • Refutation
        • P(a);P_PINB(A)
    • Try
      • R(F);XR(d)
      • Threat
        • QAB1(H)
      • Refutation
        • K(f);P-FLIGHT,XP(E)
  • Actual
    • S(J);
    • Vars
      • K(f);S_FLIGHT::QAB(H)
      • K(f);S_FLIGHT::S(J),XP(g)
      • K(f);P_SPINR(d),S_FLIGHT::S(J)
      • R(d);XP(D)::S(J),XP(g)
      • R(d);N_GUARD,XR(F)::QAB(H)
      • P(g);SBLOCK::S(J)
      • R(d);::S(J),XP(g)
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