MESON Chess Problem Database

Problem Display
PID: 140290 (KR2rQ2/1Nk1n3/2pRrn2/2Bp4/8/7B/8/8 w - - 0 1)

Mansurov, Nasir

Shakhmaty v SSSR, 1949

KR2rQ2/1Nk1n3/2pRrn2/2Bp4/8/7B/8/8

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb8+
      • 2.Qxb8#
    • 1...Rd8
      • 2.Qxd8#
  • Keys
    • 1.Sd8!
      • threat
        • 2.Sxe6#
      • 1...Rxd6
        • 2.Bb6#
      • 1...Rxd8
        • 2.Qxd8#
      • 1...Re1
        • 2.Rb7#
      • 1...Re2
        • 2.Rb7#
      • 1...Re3
        • 2.Rb7#
      • 1...Re4
        • 2.Rb7#
      • 1...Re5
        • 2.Rb7#
      • 1...Sf5
        • 2.Bb6#
      • 1...Sg6
        • 2.Bb6#
      • 1...Sc8
        • 2.Rb7#
      • 1...Seg8
        • 2.Bb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 1
  • Sets
    • R(g);CHECK,OGATE,XR(F)::QAB1(G),XR(g)
    • R(g);OGATE::QAB1(G),XR(g)
  • Actual
    • S(D);N_SPINR(F)
    • Threat
      • S(D),XR(c)
    • Vars
      • R(c);SBLOCK,XR(C)::B(B)
      • R(g);OGATE,P_PINR(F),XS(D)::QAB1(G),XR(g)
      • R(c);::R1(F)
      • S(f);::B(B)
      • S(f);SBLOCK::R1(F)
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