MESON Chess Problem Database

Problem Display
PID: 242293 (4b3/b4N1K/4p3/2n3B1/3pkpBn/4P3/Q1Ppr1P1/3N4 w - - 0 1)

Morra, Juan Carlos

Source?, 0000

4b3/b4N1K/4p3/2n3B1/3pkpBn/4P3/Q1Ppr1P1/3N4

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe3
      • 2.Sf2#
    • 1...Sf3
      • 2.gxf3#
    • 1...Sf5
      • 2.Bf3#
    • 1...Sa4
      • 2.Qxe6#
    • 1...Sa6
      • 2.Qxe6#
    • 1...Sb7
      • 2.Qxe6#
    • 1...dxe3
      • 2.Qc4#
    • 1...d3
      • 2.Qc4#
    • 1...e5
      • 2.Sd6#
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qxd4#
      • 1...Rxe3
        • 2.Sf2#
      • 1...fxe3
        • 2.Sc3#
      • 1...Sf3
        • 2.gxf3#
      • 1...Sf5
        • 2.Bf3#
      • 1...Sb3
        • 2.Qxe6#
      • 1...Sd3
        • 2.cxd3#
      • 1...Sa4
        • 2.Qxe6#
      • 1...Sa6
        • 2.Qxe6#
      • 1...Sb7
        • 2.Qxe6#
      • 1...Sd7
        • 2.Qc6#
      • 1...e5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(b);N_GUARD,SBLOCK,XP(E)::S(A)
    • S(f);OGATE::P(D),XS(f)
    • S(f);N_GUARD,SBLOCK::B(F)
    • S(g);N_GUARD::QAR2(B),XP(h)
    • P(c);OGATEB,XP(E)::QAR2(B)
    • P(c);OGATEB::QAR2(B)
    • P(h);SBLOCK::S(H)
  • Actual
    • Q(B);P_PINP(c)
    • Threat
      • QAR1(B),XP(c)
    • Vars
      • R(b);N_GUARD,SBLOCK,XP(E)::S(A)
      • P(e);XP(E)::S(A)
      • S(f);OGATE::P(D),XS(f)
      • S(f);N_GUARD,SBLOCK::B(F)
      • S(g);N_GUARD::QAR2(B),XP(h)
      • S(g);OGATE::P(C),XS(g)
      • S(g);OGATE::QAB(B)
      • P(h);SBLOCK::S(H)
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Developed and maintained by Brian Stephenson.
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