MESON Chess Problem Database

Problem Display
PID: 86876 (bB6/3P4/2Np2r1/1Qpk4/2p5/K4P2/n3R3/8 w - - 0 1)

Dotsenko, Igor

Reitman, Mark

Apprenti Sorcier, 1996

bB6/3P4/2Np2r1/1Qpk4/2p5/K4P2/n3R3/8

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Rd2#
  • Tries
    • 1.Sa5?
      • threat
        • 2.Qxc4#
      • 1...Kd4
        • 2.Qxc4#
      • 1...c3
        • 2.Qd3#
        • 2.Qc4#
      • 1...Rg4!
    • 1.Re4?
      • threat
        • 2.Se7#
      • 1...Bxc6
        • 2.Qxc4#
      • 1...Re6
        • 2.Rd4#
      • 1...Rg7!
    • 1.d8Q?
      • threat
        • 2.Re5#
      • 1...Rg5
        • 2.Qxg5#
        • 2.Qxd6#
      • 1...Re6
        • 2.Rd2#
      • 1...Bxc6!
    • 1.d8R?
      • threat
        • 2.Re5#
      • 1...Rg5
        • 2.Rxd6#
      • 1...Re6
        • 2.Rd2#
      • 1...Bxc6!
  • Keys
    • 1.Bxd6!
      • threat
        • 2.Qxc5#
      • 1...Kxd6
        • 2.d8Q#
      • 1...Rxd6
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(f);SBLOCK::R(A)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAB1(D),XP(b)
      • Vars
        • K(d);N_SPINP(c),P-FLIGHT::QAR1(D),XP(b)
      • Refutation
        • R(f);
    • Try
      • R(A);
      • Threat
        • S(E)
      • Vars
        • B(g);SBLOCK,XS(E)::QAB1(D),XP(b)
        • R(f);SBLOCK::R1(A)
      • Refutation
        • R(f);
    • Try
      • P(F);
      • Threat
        • R1(A)
      • Vars
        • R(f);SBLOCK::R(A)
      • Refutation
        • B(g);XS(E)
    • Try
      • P(F);
      • Threat
        • R1(A)
      • Vars
        • R(f);N_GUARD::R1(F),XP(e)
        • R(f);SBLOCK::R(A)
      • Refutation
        • B(g);XS(E)
  • Actual
    • B(G);XP(e)
    • Threat
      • QAR1(D),XP(c)
    • Vars
      • K(d);N_SPINP(c),P-FLIGHT,XB(G)::P=Q
      • R(f);SBLOCK,XB(G)::R1(A)
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