MESON Chess Problem Database

Problem Display
PID: 239577 (Q2R2B1/2PNPr2/1PpnN3/2pk1P2/4pp2/1P1P1P2/3b4/3R1K2 w - - 0 1)

Maleika, Gerhard

Die Schwalbe, 2002

Q2R2B1/2PNPr2/1PpnN3/2pk1P2/4pp2/1P1P1P2/3b4/3R1K2

#2

14 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.dxe4#
    • 1...Be1
      • 2.dxe4#
    • 1...Bc3
      • 2.dxe4#
    • 1...Be3
      • 2.dxe4#
    • 1...Bb4
      • 2.dxe4#
    • 1...Ba5
      • 2.dxe4#
  • Tries
    • 1.Sxf4+?
      • 1...Bxf4
        • 2.dxe4#
      • 1...Kd4!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qe5#
      • 1...Rxf5
        • 2.Sxf4#
      • 1...Sc4
        • 2.Sf6#
      • 1...Bc3
        • 2.dxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(a);::R(A)+P(D)DCHECK,XP(b)
  • Tries
    • Try
      • S(H);CHECK,P_PINR(h),XP(c)
      • Vars
        • B(a);XS(H)::R(A)+P(D)DCHECK,XP(b)
      • Refutation
        • K(e);N_SPINP(f),N_SPINR(h),P-FLIGHT
  • Actual
    • Q(L);N_PINP(f)
    • Threat
      • QAR1(L)
    • Vars
      • R(h);XP(F)::B(N)+S(H),DCHECK,XP(c)
      • S(g);::R(M)+S(J),DCHECK
      • B(a);::R(A)+P(D)DCHECK,XP(b)
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