MESON Chess Problem Database

Problem Display
PID: 87789 (3B3b/3ppp2/2Prkp2/8/5P1K/1pQB4/bP6/8 w - - 0 1)

Ravishankar, SN

The Problemist, 1991

3B3b/3ppp2/2Prkp2/8/5P1K/1pQB4/bP6/8

#2

7 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qc4#
  • Keys
    • 1.Qc5!
      • threat
        • 2.Bf5#
        • 2.Qf5#
        • 2.f5#
      • 1...Rxd3
        • 2.f5#
      • 1...Rxc6
        • 2.Bf5#
        • 2.f5#
      • 1...dxc6
        • 2.Bf5#
        • 2.Qf5#
      • 1...f5
        • 2.Qxf5#
      • 1...Rd5
        • 2.Qxe7#
      • 1...Rd4
        • 2.Bf5#
      • 1...Bb1
        • 2.Qf5#
        • 2.f5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(d);S_FLIGHT::QAB1(B)
  • Actual
    • Q(B);
    • Threat
      • DUALS(3)
    • Vars
      • R(c);XB(C)::P(D)
      • P(e);::QAB1(B),XP(e)
      • R(c);OGATE,SBLOCK::QAR1(B),XP(g)
      • R(c);P_PINP(D)::B(C)
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