MESON Chess Problem Database

Problem Display
PID: 103512 (KR6/8/8/3Q1p2/P2p4/BB5b/p1P4p/rk4bR w - - 0 1)

Ceriani, Luigi

Tkor, 1937

KR6/8/8/3Q1p2/P2p4/BB5b/p1P4p/rk4bR

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qe4?
      • threat
        • 2.Bc4#
        • 2.Bd5#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
        • 2.Qe1#
      • 1...Bf1
        • 2.Bc4#
        • 2.Qe1#
      • 1...Bg2
        • 2.Bc4#
        • 2.Bd5#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
      • 1...Bg4
        • 2.Bc4#
        • 2.Bd5#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
      • 1...d3
        • 2.Qe1#
      • 1...fxe4!
    • 1.Qxd4?
      • threat
        • 2.Qb2#
        • 2.Qd1#
      • 1...Bg4
        • 2.Qb2#
      • 1...Bg2+!
    • 1.Qc5?
      • threat
        • 2.Bd5#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
      • 1...Bg2+
        • 2.Bd5#
      • 1...Bf1!
    • 1.c3?
      • threat
        • 2.Bd1#
      • 1...dxc3
        • 2.Qd1#
      • 1...d3
        • 2.Qxd3#
      • 1...Bf1!
  • Keys
    • 1.c4!
      • threat
        • 2.Bd1#
      • 1...dxc4 ep
        • 2.Qd1#
      • 1...d3
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Threat
        • DUALS(6)
      • Vars
        • P(g);::QAR(F)
      • Refutation
        • P(h);XQ(F)
    • Try
      • Q(F);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::QAR1(F)
      • Refutation
        • B(f);CHECK
    • Try
      • Q(F);
      • Threat
        • DUALS(4)
      • Vars
        • B(f);CHECK::R(H)+B(D)
      • Refutation
        • B(f);N_SPINB(c)
    • Try
      • P(B);
      • Threat
        • R(H)+B(D)
      • Vars
        • P(g);OGATE,XP(B)::QAR2(F)
        • P(g);OGATE::QAB(F),XP(g)
      • Refutation
        • B(f);N_SPINB(c)
  • Actual
    • P(B);
    • Threat
      • R(H)+B(D)
    • Vars
      • P(g);EP,OGATE,XP(B)::QAR2(F)
      • P(g);OGATE::QAB(F),XP(g)
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