MESON Chess Problem Database

Problem Display
PID: 75432 (1B1K4/8/1R6/2PkP1p1/N1ppp1r1/2p2P2/5bN1/2QR4 w - - 0 1)

Madeo, Mariano

2nd HM., Probleemblad, 2007

1B1K4/8/1R6/2PkP1p1/N1ppp1r1/2p2P2/5bN1/2QR4

#2

10 + 8

102 Probleemblad 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Se3#
    • 1...Be3
      • 2.Sxe3#
    • 1...Bg3
      • 2.Se3#
    • 1...Bh4
      • 2.Se3#
  • Tries
    • 1.Rxd4+?
      • 1...Kxd4
        • 2.Qd1#
      • 1...Bxd4!
    • 1.Qa3?
      • threat
        • 2.Sxc3#
      • 1...Be1
        • 2.Se3#
      • 1...c2
        • 2.Sc3#
      • 1...d3!
    • 1.Qxg5?
      • threat
        • 2.Rd6#
      • 1...Rxg5
        • 2.Sf4#
      • 1...exf3!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Rxd4#
      • 1...Bxe3
        • 2.Sxe3#
      • 1...exf3
        • 2.Rd6#
      • 1...d3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::S(C)
    • B(a);N_GUARD::S(C),XB(a)
  • Tries
    • Try
      • R(B);CHECK,XP(d)
      • Vars
        • K(g);P-FLIGHT,XR(B)::QAR(A)
      • Refutation
        • B(a);XR(B)
    • Try
      • Q(A);
      • Threat
        • S(E),XP(b)
      • Vars
        • B(a);N_GUARD::S(C)
        • P(b);::S(E)
      • Refutation
        • P(d);
    • Try
      • Q(A);XP(h)
      • Threat
        • R1(H)
      • Vars
        • R(f);N_GUARD,XQ(A)::S(C)
      • Refutation
        • P(e);XP(D)
  • Actual
    • Q(A);
    • Threat
      • R1(B),XP(d)
    • Vars
      • B(a);XQ(A)::S(C),XB(a)
      • P(e);XP(D)::R1(H)
      • P(d);::S(E),XP(b)
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