MESON Chess Problem Database

Problem Display
PID: 238230 (4K3/p4R2/r1n1p1PB/2p1kp1p/4N2r/8/2P3B1/nQ1RN3 w - - 0 1)

Murashev, Pavel Aleksandrovich

Rochade Europa, 2014

4K3/p4R2/r1n1p1PB/2p1kp1p/4N2r/8/2P3B1/nQ1RN3

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.Sf3#
    • 1...Rf4
      • 2.Bg7#
    • 1...Sb4
      • 2.Qb2#
    • 1...Sa5
      • 2.Qxa1#
      • 2.Qb2#
    • 1...Se7
      • 2.Qb2#
    • 1...Sb8
      • 2.Qb2#
    • 1...Sd8
      • 2.Qb2#
    • 1...c4
      • 2.Qb5#
    • 1...fxe4
      • 2.Bg7#
    • 1...f4
      • 2.Bg7#
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qc7#
      • 1...Sb4
        • 2.Sf3#
      • 1...Sd4
        • 2.Sd3#
      • 1...Sa5
        • 2.Sf3#
        • 2.Qb2#
      • 1...Se7
        • 2.Sf3#
        • 2.Qb2#
      • 1...Sb8
        • 2.Sf3#
        • 2.Qb2#
      • 1...Sd8
        • 2.Sf3#
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(b);SBLOCK,XS(F)::S(C)
    • R(b);SBLOCK::B(H)
    • S(h);N_GUARD::QAB(A)
    • P(c);OGATEB::QAR(A)
    • P(e);XS(F)::B(H)
    • P(e);::B(H)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • S(h);::S(C)
      • S(h);SBLOCK::S(C)
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