MESON Chess Problem Database

Problem Display
PID: 138803 (3R1n2/8/bNP5/K2pkPB1/Q2N1npr/6p1/R5p1/1B1r4 w - - 0 1)

Murashev, Pavel Aleksandrovich

4th HM., Hirschenson JT, 2010

3R1n2/8/bNP5/K2pkPB1/Q2N1npr/6p1/R5p1/1B1r4

#2

10 + 10

145 StrateGems 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Rxd5#
    • 1...Sd3
      • 2.Re2#
    • 1...Sh3
      • 2.Rxd5#
    • 1...Sh5
      • 2.Rxd5#
    • 1...S4e6
      • 2.Rxd5#
    • 1...S4g6
      • 2.Rxd5#
  • Tries
    • 1.Re2+?
      • 1...Sxe2
        • 2.Rxd5#
      • 1...Bxe2!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Qxf4#
      • 1...Sd3
        • 2.Rxd5#
      • 1...Rf1
        • 2.Qd4#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Se2
        • 2.Rxe2#
      • 1...Sh3
        • 2.Re2#
      • 1...Sh5
        • 2.Re2#
      • 1...S4e6
        • 2.Re2#
      • 1...S4g6
        • 2.Re2#
      • 1...S8e6
        • 2.Sd7#
      • 1...S8g6
        • 2.Sd7#
      • 1...d4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 6
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD::R1(J),XP(g)
    • S(d);N_GUARD,S_CUTB(i)::R(B)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • S(d);XR(B)::R1(J),XP(g)
      • Refutation
        • B(i);XR(B)
  • Actual
    • S(D);
    • Threat
      • QAB1(C),XS(d)
    • Vars
      • S(d);N_GUARD,S_CUTR(a)::R1(J),XP(g)
      • R(a);N_GUARD::QAB1(C)
      • R(a);N_GUARD::QAB1(C),XR(a)
      • S(d);N_GUARD::R(B),XS(d)
      • S(d);N_GUARD::R(B)
      • S(j);N_GUARD::S(H)
      • P(g);N_GUARD::S(H)
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