MESON Chess Problem Database

Problem Display
PID: 102960 (2N5/R1Pr2pK/BpkP2Q1/5p2/3p4/BP5p/2b5/2R1n3 w - - 0 1)

Mangiaracina, Alberto

Il Littorale, 1929-1931

2N5/R1Pr2pK/BpkP2Q1/5p2/3p4/BP5p/2b5/2R1n3

#2

10 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd6
      • 2.Qxd6#
    • 1...f4
      • 2.Qe4#
    • 1...b5
      • 2.Bb7#
  • Tries
    • 1.Rxc2+?
      • 1...Kd5
        • 2.Qxf5#
      • 1...Sxc2!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Se7#
      • 1...f4+
        • 2.Qe4#
      • 1...Kd5
        • 2.Bb7#
      • 1...b5
        • 2.Bb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(h);OGATE,P_SPINR(h),XP(E)::QAR1(F),XR(h)
    • P(e);OGATE,P_PINQ(F)::QAB(F)
    • P(f);SBLOCK::B(D)
  • Tries
    • Try
      • R(A);CHECK,XB(b)
      • Vars
        • K(g);S_FLIGHT::QAR2(F),XP(e)
      • Refutation
        • S(a);XR(A)
  • Actual
    • Q(F);P_PINR(h)
    • Threat
      • S(J)
    • Vars
      • P(e);CHECK,N_GUARD::QAB(F)
      • K(g);N_SPINB(b),N_SPINR(h),S_FLIGHT::B(D)
      • P(f);SBLOCK::B(D)
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