MESON Chess Problem Database

Problem Display
PID: 47474 (6B1/B2p4/1nrP4/PPk1nR2/pR1N4/P4p2/1Nb2P1b/2Q1K3 w - - 0 1)

Wessels, Martin

2nd Prize, Casa-70 JT, 2002

6B1/B2p4/1nrP4/PPk1nR2/pR1N4/P4p2/1Nb2P1b/2Q1K3

#2

13 + 9

56 The Problemist 2003
23 Die Schwalbe 2007
15174 FIDE Album (2001-2003) 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd6
      • 2.Sd3#
      • 2.Sxa4#
      • 2.Rc4#
      • 2.Qxc2#
  • Tries
    • 1.Bb8?
      • threat
        • 2.Sd3#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Sd5
        • 2.Sxa4#
      • 1...Rc7!
    • 1.Rf6?
      • threat
        • 2.Sxa4#
      • 1...Sd3+
        • 2.Sxd3#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Sf7!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Rc4#
      • 1...Bxf5
        • 2.Sxa4#
      • 1...Bb3
        • 2.Sd3#
      • 1...Bd3
        • 2.Sxd3#
        • 2.Sxa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(L);
      • Threat
        • S(C)
      • Vars
        • S(g);N_GUARD,N_SPINB(a)::R1(F),XS(g)
        • S(g);N_GUARD,N_SPINS(f)::S(C),XP(d)
      • Refutation
        • R(h);
    • Try
      • R(J);N_PINS(f),P_PINS(g)
      • Threat
        • S(C),XP(d)
      • Vars
        • S(f);CHECK,N_GUARD::S(C),XS(f)
        • S(f);N_GUARD,N_SPINB(a)::R1(F),XS(f)
      • Refutation
        • S(f);
  • Actual
    • Q(A);N_PINB(a)
    • Threat
      • R1(F)
    • Vars
      • B(a);N_GUARD,N_SPINS(f),P_SPINS(g),XR(J)::S(C),XP(d)
      • B(a);N_GUARD::S(C)
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