MESON Chess Problem Database

Problem Display
PID: 136378 (2N5/3pR3/4P3/1P1krp2/N1prpR2/2KnB1QB/7b/8 w - - 0 1)

Csandli, Kalman

Magyar Sakkelet, 1953

2N5/3pR3/4P3/1P1krp2/N1prpR2/2KnB1QB/7b/8

#2

10 + 9

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Sab6#
    • 1...dxe6
      • 2.Rd7#
    • 1...d6
      • 2.Scb6#
  • Tries
    • 1.Qg6?
      • threat
        • 2.Rxd7#
      • 1...dxe6
        • 2.Rd7#
      • 1...Sc5
        • 2.Sab6#
      • 1...d6
        • 2.Scb6#
      • 1...Rxe6!
    • 1.Qg8?
      • threat
        • 2.Rxd7#
      • 1...dxe6
        • 2.Rd7#
        • 2.Qd8#
      • 1...Sc5
        • 2.Sab6#
      • 1...d6
        • 2.Scb6#
      • 1...Rxe6!
  • Keys
    • 1.Rxe4!
      • threat
        • 2.Rxd4#
      • 1...Kxe4
        • 2.Bg2#
      • 1...Rdxe4
        • 2.Sab6#
      • 1...Rexe4
        • 2.Scb6#
      • 1...fxe4
        • 2.Rxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • S(b);SBLOCK::S(E)
    • P(i);SBLOCK,XP(H)::R(I)
    • P(i);SBLOCK::S(J)
  • Tries
    • Try
      • Q(C);
      • Threat
        • R(I),XP(i)
      • Vars
        • P(i);XP(H)::R(I)
        • S(b);SBLOCK::S(E)
        • P(i);SBLOCK::S(J)
      • Refutation
        • R(g);XP(H)
    • Try
      • Q(C);
      • Threat
        • R(I),XP(i)
      • Vars
        • S(b);SBLOCK::S(E)
        • P(i);SBLOCK::S(J)
      • Refutation
        • R(g);P_SPINR(g),XP(H)
  • Actual
    • R(F);XP(e)
    • Threat
      • R1(F),XR(d)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XR(F)::B(D)
      • R(d);SBLOCK,XR(F)::S(E)
      • R(g);SBLOCK,XR(F)::S(J)
      • P(h);SBLOCK,XR(F)::R(I),XP(i)
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