MESON Chess Problem Database

Problem Display
PID: 11066 (1K6/2p3B1/5Rp1/QN1N2kp/R6b/p4rrp/4B1pq/8 w - - 0 1)

Neumann, Itzhak

Chess, 1936

1K6/2p3B1/5Rp1/QN1N2kp/R6b/p4rrp/4B1pq/8

#2

8 + 11

SOLUTION

  • SOUND
  • Tries
    • 1.Qd2+?
      • 1...Rf4
        • 2.Qxf4#
      • 1...Re3!
  • Keys
    • 1.Sbxc7!
      • threat
        • 2.Se6#
      • 1...Rb3+
        • 2.Sb4#
      • 1...Rxf6
        • 2.Sxf6#
      • 1...Re3
        • 2.Sxe3#
      • 1...Rg4
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • R(d);N_GUARD,P_SPINR(d)::QAB1(C),XR(d)
      • Refutation
        • R(d);P_SPINR(d)
  • Actual
    • S(D);XP(k)
    • Threat
      • S(D)
    • Vars
      • R(d);CHECK,N_GUARD::QAR(C)+S(E)
      • R(d);XR(F)::QAR(C)+S(E),XR(d)
      • R(d);N_GUARD::QAR(C)+S(E),XR(d)
      • R(e);P_PINS(D),SBLOCK::QAR(C)+S(E)
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