MESON Chess Problem Database

Problem Display
PID: 87466 (6Q1/8/8/2P1P1P1/1p6/brp1kNP1/1pPNprp1/nB2RbKn w - - 0 1)

Chandrasekaran, KR

The Problemist, 1996

6Q1/8/8/2P1P1P1/1p6/brp1kNP1/1pPNprp1/nB2RbKn

#2

11 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5?
      • threat
        • 2.Sc4#
        • 2.Qe4#
        • 2.Qd3#
        • 2.Qd4#
      • 1...Rxf3
        • 2.Sc4#
        • 2.Qd3#
      • 1...Sxc2
        • 2.Sc4#
        • 2.Qe4#
      • 1...Sxg3
        • 2.Qd4#
      • 1...cxd2!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qd3#
        • 2.Qd4#
        • 2.Qe4#
        • 2.Qf4#
      • 1...Rxf3
        • 2.Qd3#
      • 1...Sxc2
        • 2.Qe4#
      • 1...Sxg3
        • 2.Qd4#
      • 1...cxd2
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(K);
      • Threat
        • DUALS(4)
      • Vars
        • S(c);XP(G)::QAB1(K)
      • Refutation
        • P(j);XS(E)
  • Actual
    • Q(K);
    • Threat
      • DUALS(4)
    • Vars
      • R(f);XS(F)::QAR1(K)
      • S(a);XP(D)::QAR1(K)
      • S(c);XP(G)::QAB1(K)
      • P(j);XS(E)::QAB1(K)
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