MESON Chess Problem Database

Problem Display
PID: 275465 (2R4B/ppRK1k2/q1pP2p1/p7/7P/b3p1PQ/b7/1n3n2 w - - 0 1)

Pirnie, Duncan

British Chess Magazine, 1935

2R4B/ppRK1k2/q1pP2p1/p7/7P/b3p1PQ/b7/1n3n2

#2

8 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qb6
      • 2.Qxf1#
    • 1...Be6+
      • 2.Qxe6#
    • 1...Bxd6
      • 2.Kxd6#
    • 1...g5
      • 2.Qf5#
    • 1...b5
      • 2.Qxf1#
    • 1...b6
      • 2.Kxc6#
  • Tries
    • 1.Re8?
      • threat
        • 2.Kd8#
      • 1...Be6+
        • 2.Qxe6#
      • 1...g5
        • 2.Qf5#
      • 1...Qb6
        • 2.Qxf1#
      • 1...Bxd6!
  • Keys
    • 1.Rd8!
      • threat
        • 2.Kc8#
      • 1...Be6+
        • 2.Qxe6#
      • 1...Bxd6
        • 2.Kxd6#
      • 1...g5
        • 2.Qf5#
      • 1...Qb6
        • 2.Qxf1#
      • 1...b5
        • 2.Qxf1#
      • 1...b6
        • 2.Kxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(g);N_GUARD::QAR(B),XS(b)
    • B(c);CHECK,N_GUARD::QAB1(B),XB(c)
    • B(d);XP(D)::R(E)+K(F),XB(d)
    • P(i);N_GUARD::QAR2(B)
    • P(k);S_CUTQ(g)::QAR(B),XS(b)
    • P(k);::R(E)+K(F),XP(h)
  • Tries
    • Try
      • R(G);
      • Threat
        • R(E)+K(F)
      • Vars
        • B(c);CHECK,N_GUARD::QAB1(B),XB(c)
        • P(i);N_GUARD::QAR2(B)
        • Q(g);N_GUARD::QAR(B),XS(b)
      • Refutation
        • B(d);XP(D)
  • Actual
    • R(G);
    • Threat
      • R(E)+K(F)
    • Vars
      • B(c);CHECK,N_GUARD::QAB1(B),XB(c)
      • B(d);XP(D)::R(E)+K(F),XB(d)
      • P(i);N_GUARD::QAR2(B)
      • Q(g);N_GUARD::QAR(B),XS(b)
      • P(k);S_CUTQ(g)::QAR(B),XS(b)
      • P(k);::R(E)+K(F),XP(h)
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