MESON Chess Problem Database

Problem Display
PID: 157019 (8/r2p2K1/3P4/RN1kN3/4R3/1prpQ1B1/nbp1b1B1/8 w - - 0 1)

Andersson, Gunnar

Skakbladet, 1934

8/r2p2K1/3P4/RN1kN3/4R3/1prpQ1B1/nbp1b1B1/8

#2

9 + 10

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Sxc3+?
      • 1...Ke6
        • 2.Sxd3#
        • 2.Sf3#
        • 2.Sc4#
        • 2.Sg4#
        • 2.Sc6#
        • 2.Sg6#
        • 2.Sf7#
      • 1...Kxd6!
    • 1.Sxa7+?
      • 1...Kxd6
        • 2.Sxd3#
        • 2.Sf3#
        • 2.Sc4#
        • 2.Sg4#
        • 2.Sec6#
        • 2.Sg6#
        • 2.Sf7#
      • 1...Ke6
        • 2.Sxd3#
        • 2.Sf3#
        • 2.Sc4#
        • 2.Sg4#
        • 2.Sec6#
        • 2.Sg6#
        • 2.Sf7#
      • 1...Rc5!
    • 1.Rd4+?
      • 1...Kc5
        • 2.Rda4#
        • 2.Rc4#
        • 2.Rf4#
        • 2.Rg4#
        • 2.Rh4#
      • 1...Ke6!
    • 1.Rf4+?
      • 1...Ke6
        • 2.Sxd3#
        • 2.Sc4#
        • 2.Sg4#
        • 2.Sc6#
        • 2.Sg6#
        • 2.Sf7#
        • 2.Rf6#
      • 1...Bf3!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Se7#
      • 1...Rc4+
        • 2.Re5#
      • 1...Rc5+
        • 2.Rd4#
      • 1...Rxc6+
        • 2.Sc3#
      • 1...dxc6+
        • 2.Sc7#
      • 1...Kxc6
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK,XR(f)
      • Refutation
        • K(h);P-FLIGHT,XP(H)
    • Try
      • S(F);CHECK,XR(i)
      • Refutation
        • R(f);P_PINS(G),P_SPINR(f)
    • Try
      • R(D);CHECK
      • Refutation
        • K(h);S_FLIGHT
    • Try
      • R(D);CHECK
      • Refutation
        • B(d);P_SPINB(d)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • R(f);CHECK,SBLOCK::B(A)+R(D),DCHECK
      • R(f);CHECK,SBLOCK,XS(G)::R(E)+S(F),DCHECK
      • P(j);CHECK,SBLOCK,XS(G)::R(E)+S(F),DCHECK
      • K(h);S_FLIGHT,XS(G)::B(A)+R(D),DCHECK
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