MESON Chess Problem Database

Problem Display
PID: 287181 (B7/b2rp1N1/1PRp1p2/4kb2/1N5R/B1P5/4PP2/6K1 w - - 0 1)

Murashev, Pavel Aleksandrovich

Problem-Forum, 2008

B7/b2rp1N1/1PRp1p2/4kb2/1N5R/B1P5/4PP2/6K1

#2

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.f4#
  • Tries
    • 1.Sd3+?
      • 1...Kd5
        • 2.Rd4#
        • 2.Rc5#
        • 2.Rxd6#
        • 2.Rc7#
        • 2.c4#
      • 1...Bxd3!
    • 1.Rcc4?
      • threat
        • 2.f4#
      • 1...d5
        • 2.Sc6#
      • 1...Bxb6!
    • 1.Rc7?
      • threat
        • 2.f4#
      • 1...Bg4
        • 2.Sd3#
      • 1...d5
        • 2.Sc6#
      • 1...Bxb6!
    • 1.e4?
      • threat
        • 2.Sd3#
      • 1...Bxe4
        • 2.f4#
      • 1...Bg4!
  • Keys
    • 1.Rxd6!
      • threat
        • 2.Sc6#
      • 1...Kxd6
        • 2.Sd3#
      • 1...Rxd6
        • 2.f4#
      • 1...exd6
        • 2.f4#
      • 1...Bg4
        • 2.Sd3#
      • 1...Rc7
        • 2.Rd5#
      • 1...Be4
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(b);SBLOCK::P(C)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • B(b);XS(F)
    • Try
      • R(I);
      • Threat
        • P(C)
      • Vars
        • P(c);SBLOCK::S(F)
      • Refutation
        • B(e);P_PINP(C),XP(H)
    • Try
      • R(I);
      • Threat
        • P(C)
      • Vars
        • B(b);N_GUARD::S(F)
        • P(c);SBLOCK::S(F)
      • Refutation
        • B(e);P_PINP(C),XP(H)
    • Try
      • P(B);
      • Threat
        • S(F)
      • Vars
        • B(b);SBLOCK,XP(B)::P(C)
      • Refutation
        • B(b);
  • Actual
    • R(I);XP(c)
    • Threat
      • S(F)
    • Vars
      • K(a);S_CUTB(b),S_FLIGHT,XR(I)::B(D)+S(F)
      • R(f);SBLOCK,XR(I)::P(C)
      • P(g);SBLOCK,XR(I)::P(C)
      • B(b);N_GUARD::S(F)
      • R(f);N_GUARD::R1(I)
      • B(b);N_GUARD::R1(I)
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