MESON Chess Problem Database

Problem Display
PID: 233458 (3R1r2/4pPB1/2p3Q1/2pPp3/P2k2B1/1prN1R2/n1n5/6K1 w - - 0 1)

Marysko, Milos

Freie Presse, 1973

3R1r2/4pPB1/2p3Q1/2pPp3/P2k2B1/1prN1R2/n1n5/6K1

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd3
      • 2.Qxd3#
    • 1...Rc4
      • 2.Bxe5#
    • 1...Se3
      • 2.Rf4#
    • 1...c4
      • 2.Bxe5#
  • Tries
    • 1.dxc6+?
      • 1...Kc4
        • 2.Be6#
        • 2.Qe6#
      • 1...Rxd8!
  • Keys
    • 1.Be6!
      • threat
        • 2.Qg4#
      • 1...Kc4
        • 2.dxc6#
      • 1...Rxd3
        • 2.Qxd3#
      • 1...Rxf7
        • 2.dxc6#
      • 1...Rc4
        • 2.Bxe5#
      • 1...Se3
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(d);OGATE,XS(B)::QAR1(G),XR(d)
    • R(d);SBLOCK::B(I),XP(g)
    • S(b);SBLOCK::R(C)
    • P(f);SBLOCK::B(I),XP(g)
  • Tries
    • Try
      • P(F);CHECK,XP(h)
      • Refutation
        • R(j);XR(J)
  • Actual
    • B(E);
    • Threat
      • QAR(G)
    • Vars
      • K(e);N_SPINP(g),P-FLIGHT::B(E)+P(F),XP(h)
      • R(d);OGATE,XS(B)::QAR1(G),XR(d)
      • R(j);N_GUARD,XP(H)::R(J)+P(F),XP(h)
      • R(d);SBLOCK::B(I),XP(g)
      • S(b);SBLOCK::R(C)
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