MESON Chess Problem Database

Problem Display
PID: 164777 (3N2N1/3p1p2/bB1k3K/r1Rpn3/5np1/6Q1/3R4/2b5 w - - 0 1)

Mladenovic, Miodrag

The Problemist, 2016

3N2N1/3p1p2/bB1k3K/r1Rpn3/5np1/6Q1/3R4/2b5

#2

7 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Sxf7#
    • 1...Sf3
      • 2.Rdxd5#
    • 1...Sc4
      • 2.Rdxd5#
    • 1...Sc6
      • 2.Rdxd5#
    • 1...Sg6
      • 2.Rdxd5#
  • Tries
    • 1.Qxf4?
      • threat
        • 2.Rdxd5#
        • 2.Qf6#
      • 1...Rxc5
        • 2.Qf6#
      • 1...Bd3
        • 2.Qf6#
      • 1...Bc4
        • 2.Qf6#
      • 1...Bb7
        • 2.Qf6#
      • 1...d4
        • 2.Rxd4#
        • 2.Qxe5#
        • 2.Qxd4#
        • 2.Qf6#
      • 1...f5
        • 2.Rdxd5#
      • 1...f6
        • 2.Rdxd5#
        • 2.Qxf6#
      • 1...Bxd2!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Bc7#
      • 1...Rxc5
        • 2.Qxc5#
      • 1...Se6
        • 2.Rdxd5#
      • 1...Sc6
        • 2.Sxf7#
      • 1...d4
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(b);P_PINR(A),P_SPINS(f),SBLOCK::S(F),XP(j)
    • S(f);P_SPINS(b)::R1(A),XP(e)
  • Tries
    • Try
      • Q(B);P_PINS(f),XS(b)
      • Threat
        • DUALS(2)
      • Vars
        • R(d);XR(C)::QAR2(B)
        • B(g);N_SPINP(e)::QAR2(B)
        • B(g);::QAR2(B)
        • P(j);::R1(A),XP(e)
      • Refutation
        • B(a);N_SPINP(e),P_PINQ(B),XR(A)
  • Actual
    • Q(B);
    • Threat
      • B(D)
    • Vars
      • R(d);OGATE,XR(C)::QAB1(B),XR(d)
      • S(b);N_GUARD::R1(A),XP(e)
      • S(f);N_GUARD::S(F),XP(j)
      • P(e);::QAB1(B),XS(f)
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