MESON Chess Problem Database

Problem Display
PID: 233846 (rb1Rr3/3N4/2p1kB1N/8/4P1R1/pKnp3B/Q7/7b w - - 0 1)

Ellerman, Arnoldo

Skakbladet, 1932

rb1Rr3/3N4/2p1kB1N/8/4P1R1/pKnp3B/Q7/7b

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Kxc3#
      • 2.Rg1#
      • 2.Rg2#
      • 2.Rg3#
      • 2.Rf4#
      • 2.Rh4#
      • 2.Rg5#
      • 2.Rg6#
      • 2.Rg7#
      • 2.Rg8#
  • Tries
    • 1.Sf8+?
      • 1...Rxf8
        • 2.Rf4#
        • 2.Rg6#
      • 1...Kxf6!
  • Keys
    • 1.e5!
      • threat
        • 2.Sc5#
        • 2.Rd4#
      • 1...Bd5+
        • 2.Rc4#
      • 1...Kd5
        • 2.Kxc3#
      • 1...Rxd8
        • 2.Rd4#
      • 1...Bxe5
        • 2.Rd4#
      • 1...Ra5
        • 2.Rd4#
      • 1...Rg8
        • 2.Sc5#
      • 1...Bg2
        • 2.Sc5#
      • 1...Bf3
        • 2.Sc5#
      • 1...Be4
        • 2.Sc5#
      • 1...Bd6
        • 2.Rd4#
      • 1...Ba7
        • 2.Rd4#
      • 1...Sa4
        • 2.Rd4#
      • 1...Se4
        • 2.Kb4#
      • 1...c5
        • 2.Sxc5#
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);CHECK
      • Refutation
        • K(f);P-FLIGHT,XB(F)
  • Actual
    • P(D);
    • Threat
      • DUALS(2)
    • Vars
      • B(a);CHECK,SBLOCK::B(C)+R(E)
      • K(f);S_FLIGHT::QAB(A)+K(B),XS(c)
      • R(i);XR(I)::B(C)+R(E)
      • B(h);XP(D)::B(C)+R(E)
      • R(g);::B(C)+R(E)
      • R(i);::S(H)
      • B(a);::S(H)
      • B(h);::B(C)+R(E)
      • S(c);::B(C)+R(E)
      • S(c);N_GUARD,S_CUTB(a)::QAB(A)+K(B)
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