MESON Chess Problem Database

Problem Display
PID: 196609 (3RKR2/8/2p5/n1P5/1B2k1N1/pr6/Qb4b1/3Bn3 w - - 0 1)

Wester, Anders Emil

Suomen Shakki, 1957

3RKR2/8/2p5/n1P5/1B2k1N1/pr6/Qb4b1/3Bn3

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Qe6#
    • 1...Bc3
      • 2.Qe2#
  • Tries
    • 1.Sf2+?
      • 1...Ke3
        • 2.Bd2#
      • 1...Ke5!
  • Keys
    • 1.Bc3!
      • threat
        • 2.Rd4#
      • 1...Rxc3
        • 2.Qe6#
      • 1...Bxc3
        • 2.Qe2#
      • 1...Rb4
        • 2.Qe6#
      • 1...Rb8
        • 2.Qe6#
      • 1...Sc2
        • 2.Bxc2#
      • 1...Sf3
        • 2.Bc2#
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATE::QAR2(B)
    • B(b);OGATE::QAR2(B)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(f);P-FLIGHT::B(C)
      • Refutation
        • K(f);P-FLIGHT
  • Actual
    • B(C);
    • Threat
      • R1(F)
    • Vars
      • R(e);OGATE,XB(C)::QAR2(B)
      • B(b);OGATE,XB(C)::QAR2(B)
      • R(e);OGATE::QAR2(B)
      • R(e);OGATE,P_PINR(F)::QAR2(B)
      • S(a);N_GUARD::B(A),XS(a)
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