MESON Chess Problem Database

Problem Display
PID: 133645 (2R1K1Q1/7p/p5nr/PkN5/4p1R1/pNp2n1q/2ppr3/3b1B2 w - - 0 1)

Parthasarathy, Dr Mukkur

The Field, 1961

(First published on Thu Sep 28 1961)

2R1K1Q1/7p/p5nr/PkN5/4p1R1/pNp2n1q/2ppr3/3b1B2

#2

8 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Rb8#
    • 1...e3
      • 2.Qc4#
  • Tries
    • 1.Bxe2+?
      • 1...Kb4
        • 2.Rb8#
        • 2.Qc4#
      • 1...Bxe2!
  • Keys
    • 1.Sxe4!
      • threat
        • 2.Qc4#
      • 1...Ka4
        • 2.Qc4#
      • 1...Kb4
        • 2.Qc4#
      • 1...Sfe5
        • 2.Sd6#
      • 1...Sge5
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(j);N_SPINR(d),P-FLIGHT,P_SPINP(i)::R(F)
    • P(i);::QAB1(H)
  • Tries
    • Try
      • B(A);CHECK,XR(d)
      • Refutation
        • B(a);XB(A)
  • Actual
    • S(E);P_SPINS(E),XP(i)
    • Threat
      • QAB1(H)
    • Vars
      • K(j);N_SPINR(d),S_FLIGHT::QAR2(H)
      • K(j);N_SPINR(d),P-FLIGHT::QAR1(H)
      • S(g);N_PINS(E)::S(E)
      • S(l);N_PINS(E)::S(E),XP(f)
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