MESON Chess Problem Database

Problem Display
PID: 157914 (2n5/3N1pP1/2p5/1pBk1Bn1/1K2p3/2p2P2/3P4/3R3r w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Revista Romana de Sah, 1977

2n5/3N1pP1/2p5/1pBk1Bn1/1K2p3/2p2P2/3P4/3R3r

#2

8 + 9

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rh3
      • 2.dxc3#
    • 1...Rh4
      • 2.dxc3#
    • 1...Rh5
      • 2.dxc3#
    • 1...Rh6
      • 2.dxc3#
    • 1...Rh7
      • 2.dxc3#
    • 1...Rh8
      • 2.dxc3#
    • 1...Sh3
      • 2.fxe4#
    • 1...Se6
      • 2.Bxe4#
      • 2.fxe4#
    • 1...Sh7
      • 2.fxe4#
    • 1...cxd2
      • 2.Rxd2#
  • Tries
    • 1.d4?
      • threat
        • 2.Sf6#
      • 1...exd4 ep
        • 2.Rxd3#
      • 1...Sh7
        • 2.fxe4#
      • 1...f6
        • 2.Sxf6#
      • 1...Rh6!
    • 1.f4?
      • threat
        • 2.Sf6#
      • 1...Rh6
        • 2.dxc3#
      • 1...f6
        • 2.Sxf6#
      • 1...Sh7!
  • Keys
    • 1.g8S!
      • threat
        • 2.Sgf6#
      • 1...Rh6
        • 2.dxc3#
      • 1...Sh7
        • 2.fxe4#
      • 1...f6
        • 2.Sgxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::R(A)+P(B),XP(b)
    • S(f);N_GUARD::P(C),XP(c)
    • P(b);OGATE,P_SPINP(b),XP(B)::R(A),XP(b)
  • Tries
    • Try
      • P(B);
      • Threat
        • S(G)
      • Vars
        • P(c);EP,OGATEB,P_SPINP(c),XP(B)::R(A),XP(c)
        • S(f);N_GUARD::P(C),XP(c)
        • P(h);::S(G),XP(h)
      • Refutation
        • R(a);
    • Try
      • P(C);
      • Threat
        • S(G)
      • Vars
        • R(a);N_GUARD::R(A)+P(B),XP(b)
        • P(h);::S(G),XP(h)
      • Refutation
        • S(f);
  • Actual
    • P(H);
    • Threat
      • S(H)
    • Vars
      • R(a);N_GUARD::R(A)+P(B),XP(b)
      • S(f);N_GUARD::P(C),XP(c)
      • P(h);::S(H),XP(h)
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