MESON Chess Problem Database

Problem Display
PID: 49932 (2B4N/3ppP2/1P1kP2R/1Kn3Nq/pnP1p1p1/B7/1Qbr4/1r1R4 w - - 0 1)

Feldmann, Tibor (aka Florian, Tibor)

L'Italia Scacchistica, 1934

2B4N/3ppP2/1P1kP2R/1Kn3Nq/pnP1p1p1/B7/1Qbr4/1r1R4

#2

12 + 12

3979 Systematic Terminology 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf7
      • 2.Sgxf7#
      • 2.Shxf7#
    • 1...Sa2
      • 2.Bxc5#
    • 1...Sbd3
      • 2.Sxe4#
    • 1...Sd5
      • 2.Bxc5#
    • 1...Sc6
      • 2.Bxc5#
    • 1...Scd3
      • 2.Qd4#
    • 1...Sxe6
      • 2.Bxb4#
  • Tries
    • 1.Rxd2+?
      • 1...Sbd3
        • 2.Sxe4#
        • 2.Bxc5#
      • 1...Sd5
        • 2.Bxc5#
        • 2.Rxd5#
      • 1...Scd3
        • 2.Bxb4#
        • 2.Qd4#
      • 1...Bd3!
  • Keys
    • 1.f8Q!
      • threat
        • 2.Qf4#
      • 1...Qxg5
        • 2.Sf7#
      • 1...Qf7
        • 2.Sgxf7#
        • 2.Shxf7#
      • 1...Qh2
        • 2.Sgf7#
        • 2.Shf7#
      • 1...Sbd3
        • 2.Sxe4#
      • 1...Sd5
        • 2.Bxc5#
      • 1...Sc6
        • 2.Bxc5#
      • 1...Scd3
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • S(e);OGATE,P_PINQ(B),P_SPINS(h)::B(C),XS(h)
    • S(e);N_SPINR(c),P_PINQ(B),P_SPINS(h),S_CUTB(b)::S(F),XP(f)
    • S(e);N_SPINR(c),OGATE,P_PINQ(B),P_SPINS(h)::B(C),XS(h)
    • S(h);N_SPINR(c),P_PINS(F),P_SPINS(e),S_CUTR(c)::QAR2(B)
    • S(h);OGATEB,P_PINS(F),P_SPINS(e),XP(H)::B(C),XS(e)
  • Tries
    • Try
      • R(A);CHECK,XR(c)
      • Refutation
        • B(b);P_PINP(D),P_SPINB(b)
  • Actual
    • P(J);P_PINP(l)
    • Threat
      • QAB(J)
    • Vars
      • Q(i);N_GUARD,XS(F)::S(L)
      • S(e);N_SPINR(c),P_PINQ(B),P_SPINS(h),S_CUTB(b)::S(F),XP(f)
      • S(e);N_SPINR(c),OGATE,P_PINQ(B),P_SPINS(h)::B(C),XS(h)
      • S(e);OGATE,P_PINQ(B),P_SPINS(h)::B(C),XS(h)
      • S(h);N_SPINR(c),P_PINS(F),P_SPINS(e),S_CUTR(c)::QAR2(B)
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