MESON Chess Problem Database

Problem Display
PID: 150460 (7K/3p1p1Q/N1pR4/8/BpknR3/2bp3b/8/8 w - - 0 1)

Agostini, Valerio

Scacchi e Scienze Applicate, 2010

7K/3p1p1Q/N1pR4/8/BpknR3/2bp3b/8/8

#2

6 + 9

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Qxf7#
    • 1...Bg2
      • 2.Qxf7#
    • 1...f5
      • 2.Qg8#
      • 2.Qf7#
  • Tries
    • 1.Rxc6+?
      • 1...Kd5
        • 2.Sc7#
      • 1...dxc6!
    • 1.Qh5?
      • threat
        • 2.Qc5#
      • 1...d2
        • 2.Qe2#
      • 1...c5
        • 2.Qxc5#
        • 2.Qd5#
      • 1...f5
        • 2.Qf7#
      • 1...Bf5!
  • Keys
    • 1.Re5!
      • threat
        • 2.Rc5#
      • 1...Sc2
        • 2.Qxd3#
      • 1...Se2
        • 2.Qxd3#
      • 1...Sb3
        • 2.Qxd3#
      • 1...Sf3
        • 2.Qxd3#
      • 1...Sb5
        • 2.Qxd3#
      • 1...Sf5
        • 2.Qxf7#
      • 1...Se6
        • 2.Qxd3#
      • 1...c5
        • 2.Rxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • B(c);N_GUARD::QAB(E),XP(i)
  • Tries
    • Try
      • R(D);CHECK,XP(g)
      • Vars
        • K(e);N_SPINS(f),S_FLIGHT::S(C)
      • Refutation
        • P(h);XR(D)
    • Try
      • Q(E);
      • Threat
        • QAR1(E)
      • Vars
        • P(b);OGATEB::QAB(E)
        • P(i);S_CUTB(c)::QAB(E)
      • Refutation
        • B(c);
  • Actual
    • R(B);N_PINS(f)
    • Threat
      • R1(B)
    • Vars
      • S(f);P_PINR(B)::QAB1(E),XP(b)
      • S(f);N_GUARD,P_PINR(B),S_CUTB(c)::QAB(E),XP(i)
      • P(g);::R1(B),XP(g)
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