MESON Chess Problem Database

Problem Display
PID: 246053 (8/3RN3/3pr1p1/2Npk1P1/3nbpP1/rpR2p1K/Q7/B7 w - - 0 1)

Svitek, Miroslav

Pravda, 2019

8/3RN3/3pr1p1/2Npk1P1/3nbpP1/rpR2p1K/Q7/B7

#2

9 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Sc6#
    • 1...Se2
      • 2.Sc6#
    • 1...Sb5
      • 2.Sc6#
    • 1...Sf5
      • 2.Sc6#
    • 1...Sc6
      • 2.Sxc6#
  • Keys
    • 1.Re3!
      • threat
        • 2.Sd3#
        • 2.Sc6#
      • 1...Rxe7
        • 2.Rxe7#
      • 1...bxa2
        • 2.Sc6#
      • 1...fxe3
        • 2.Qh2#
      • 1...dxc5
        • 2.Rxd5#
      • 1...Ra6
        • 2.Sd3#
      • 1...Rf6
        • 2.Sc6#
      • 1...b2
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 5
  • Sets
    • S(d);N_GUARD::S(I)
    • S(d);N_GUARD::S(I),XS(d)
  • Actual
    • R(C);P_PINB(e),P_PINS(d)
    • Threat
      • DUALS(2)
    • Vars
      • R(j);OGATE,XS(I)::R(H),XR(j)
      • P(b);XQ(B)::S(I)
      • P(f);N_SPINB(e),OGATEB,XR(C)::QAB(B)
      • P(i);OGATE,XS(F)::R1(H),XP(g)
      • R(a);::S(F)
      • R(j);::S(I)
      • P(b);N_SPINS(d),OGATE::QAR1(B),XP(g)
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