MESON Chess Problem Database

Problem Display
PID: 103629 (2N5/2p5/2B2R2/4npp1/1pnk2p1/1P4B1/2Q1P3/7K w - - 0 1)

Krishnamurthy, Thiruvannam S

Narayanan, Chithathuz Gopatan Sathya

The Hindu, 1965

2N5/2p5/2B2R2/4npp1/1pnk2p1/1P4B1/2Q1P3/7K

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Bf2#
    • 1...Sb2
      • 2.Bf2#
    • 1...Sd2
      • 2.Bf2#
    • 1...Sa3
      • 2.Bf2#
    • 1...Sa5
      • 2.Bf2#
    • 1...Sb6
      • 2.Bf2#
    • 1...Sd6
      • 2.Bf2#
  • Tries
    • 1.Re6?
      • 1...Ke3
        • 2.Qd3#
      • 1...Kc5
        • 2.Bf2#
      • 1...Sxc6
        • 2.Qxc4#
      • 1...Se3
        • 2.Bxe5#
      • 1...Sb2
        • 2.Bf2#
      • 1...Sd2
        • 2.Bf2#
      • 1...Sa3
        • 2.Bf2#
      • 1...Sa5
        • 2.Bf2#
      • 1...Sb6
        • 2.Bf2#
      • 1...Sd6
        • 2.Bf2#
      • 1...Sd3
        • 2.Qxc4#
      • 1...Sf3
        • 2.Qxc4#
      • 1...Sg6
        • 2.Qxc4#
      • 1...Sd7
        • 2.Qxc4#
      • 1...Sf7
        • 2.Qxc4#
      • 1...f4!
    • 1.Qd3+?
      • 1...Kc5
        • 2.Qd5#
      • 1...Sxd3!
  • Keys
    • 1.Rxf5!
      • 1...Ke3
        • 2.Bf2#
      • 1...Kc5
        • 2.Qxc4#
      • 1...Sxc6
        • 2.Qd3#
      • 1...Se3
        • 2.Bxe5#
      • 1...Sb2
        • 2.Bf2#
      • 1...Sd2
        • 2.Bf2#
      • 1...Sa3
        • 2.Bf2#
      • 1...Sa5
        • 2.Bf2#
      • 1...Sb6
        • 2.Bf2#
      • 1...Sd6
        • 2.Bf2#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sf3
        • 2.Qd3#
      • 1...Sg6
        • 2.Qd3#
      • 1...Sd7
        • 2.Qd3#
      • 1...Sf7
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINS(b),S_FLIGHT::B(E)
    • S(b);N_GUARD::B(E)
  • Tries
    • Try
      • R(G);
      • Vars
        • K(c);P_SPINS(e),S_FLIGHT::QAR1(B)
        • K(c);P_SPINS(b),S_FLIGHT::B(E)
        • S(e);N_GUARD,XB(F)::QAR1(B),XS(b)
        • S(b);N_GUARD,SBLOCK::B(E),XS(e)
        • S(b);N_GUARD::B(E)
        • S(e);N_GUARD::QAR1(B),XS(b)
      • Refutation
        • P(f);
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAR1(B)
      • Refutation
        • S(e);XQ(B)
  • Actual
    • R(G);XP(f)
    • Vars
      • K(c);S_FLIGHT::B(E)
      • K(c);P_SPINS(b),S_FLIGHT::QAR1(B),XS(b)
      • S(e);N_GUARD,XB(F)::QAR1(B)
      • S(b);N_GUARD,SBLOCK::B(E),XS(e)
      • S(b);N_GUARD::B(E)
      • S(e);N_GUARD::QAR1(B),XS(e)
      • S(e);N_GUARD::QAR1(B)
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