MESON Chess Problem Database

Problem Display
PID: 138603 (KQ6/B7/1R6/2r2N1N/4k3/2p2p2/2Pbpp2/3R4 w - - 0 1)

Ellerman, Arnoldo

El Mundo Argentino, 1935

KQ6/B7/1R6/2r2N1N/4k3/2p2p2/2Pbpp2/3R4

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Shg3#
    • 1...Bc1
      • 2.Shg3#
    • 1...Be1
      • 2.Shg3#
      • 2.Qf4#
    • 1...Be3
      • 2.Sfg3#
      • 2.Shg3#
    • 1...Bf4
      • 2.Qxf4#
    • 1...Bg5
      • 2.Shg3#
    • 1...Bh6
      • 2.Shg3#
  • Tries
    • 1.Qf4+?
      • 1...Kd5
        • 2.Se3#
        • 2.Se7#
        • 2.Sf6#
        • 2.Rd6#
        • 2.Qd4#
      • 1...Bxf4!
  • Keys
    • 1.Se3!
      • threat
        • 2.Qf4#
      • 1...Kxe3
        • 2.Qf4#
      • 1...Kd4
        • 2.Qf4#
      • 1...Rxh5
        • 2.Rb4#
      • 1...Bxe3
        • 2.Sg3#
      • 1...Rc7
        • 2.Re6#
      • 1...Re5
        • 2.Rb4#
      • 1...Rf5
        • 2.Rb4#
      • 1...Rc8
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 5
  • Sets
    • R(g);SBLOCK::S(D)
    • B(a);::S(D)
    • B(a);N_GUARD::QAR1(H),XB(a)
  • Tries
    • Try
      • Q(H);CHECK
      • Refutation
        • B(a);XQ(H)
  • Actual
    • S(C);
    • Threat
      • QAR1(H)
    • Vars
      • K(f);P-FLIGHT,XS(C)::QAB1(H)
      • K(f);P-FLIGHT,P_SPINB(a)::QAR2(H)
      • R(g);N_GUARD,XS(D)::R(E)
      • B(a);SBLOCK,XS(C)::S(D)
      • R(g);N_GUARD::R(E)
      • R(g);N_GUARD,P_PINQ(H)::R(E)
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Developed and maintained by Brian Stephenson.
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