MESON Chess Problem Database

Problem Display
PID: 833 (B6q/r4n1b/p1RNN1r1/3kB1n1/3p4/6Q1/1pP4b/1K1R4 w - - 0 1)

Parthasarathy, Dr Mukkur

1st Prize, British Chess Magazine, 1969

B6q/r4n1b/p1RNN1r1/3kB1n1/3p4/6Q1/1pP4b/1K1R4

#2

9 + 11

102 Probleemblad 1974
273 Mat Plus 1994
4640 Chess Wizardry: The New ABC of Chess Problems 1996
133 The Problemist Supplement 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe5
      • 2.Qb3#
    • 1...Rxe6
      • 2.Rxd4#
    • 1...Rc7
      • 2.Sxc7#
    • 1...Sxe6
      • 2.c4#
    • 1...Sxe5
      • 2.Sf4#
  • Keys
    • 1.Qg4!
      • threat
        • 2.Rc5#
      • 1...Kxe5
        • 2.Qf5#
      • 1...Qxe5
        • 2.c4#
      • 1...Rxe6
        • 2.Qxd4#
      • 1...Bxe5
        • 2.c4#
      • 1...Sxe6
        • 2.Qe4#
      • 1...Sxe5
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(k);SBLOCK,XB(E)::QAB(D)
    • R(g);P_PINP(C),SBLOCK,XS(H)::R1(B),XP(c)
    • R(h);N_GUARD::S(H),XR(h)
    • S(e);SBLOCK,XS(H)::P(C)
    • S(i);SBLOCK,XB(E)::S(H)
  • Actual
    • Q(D);
    • Threat
      • B(I)+R(F),DCHECK
    • Vars
      • K(d);N_SPINP(c),OGATEB,P-FLIGHT,XB(E)::QAR1(D)
      • Q(k);SBLOCK,XB(E)::P(C)
      • R(g);P_PINP(C),SBLOCK,XS(H)::QAR1(D),XP(c)
      • B(b);SBLOCK,XB(E)::P(C)
      • S(e);N_GUARD,SBLOCK,XS(H)::QAB1(D)
      • S(i);SBLOCK,XB(E)::R1(B),XP(c)
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