MESON Chess Problem Database

Problem Display
PID: 239556 (5n2/1pbr3q/5B2/P1k2bNR/B1r5/P1N5/8/K1R4Q w - - 0 1)

Maleika, Gerhard

Heilbronner Stimme, 2002

(First published on Sat Aug 10 2002)

5n2/1pbr3q/5B2/P1k2bNR/B1r5/P1N5/8/K1R4Q

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qd5#
    • 1...Rd5
      • 2.Qxd5#
    • 1...Re7
      • 2.Qd5#
    • 1...Rf7
      • 2.Qd5#
    • 1...Rg7
      • 2.Qd5#
    • 1...Bb1
      • 2.Sge4#
    • 1...Bc2
      • 2.Sge4#
    • 1...Bd3
      • 2.Sge4#
    • 1...Bh3
      • 2.Sge4#
    • 1...Be4
      • 2.Sgxe4#
    • 1...Bg4
      • 2.Sge4#
    • 1...Be6
      • 2.Sge4#
    • 1...Bg6
      • 2.Sge4#
    • 1...Bd6
      • 2.Qd5#
    • 1...b6
      • 2.Qc6#
  • Tries
    • 1.Sce4+?
      • 1...Bxe4
        • 2.Sxe4#
      • 1...Kd5!
    • 1.Se6+?
      • 1...Kd6
        • 2.Qd5#
      • 1...Sxe6!
  • Keys
    • 1.Qxb7!
      • threat
        • 2.Qc6#
      • 1...Kd6
        • 2.Qd5#
      • 1...Rxa4
        • 2.Sce4#
      • 1...Be5
        • 2.Qb6#
      • 1...Rd6
        • 2.Qb5#
      • 1...Be4
        • 2.Sgxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 13
  • Sets
    • K(b);S_FLIGHT::QAR1(C)
    • R(f);N_GUARD::QAR1(C),XR(f)
    • R(f);N_GUARD::QAR1(C)
    • B(c);::R(I)+S(H),DCHECK
    • B(c);::R(I)+S(H),DCHECK,XB(c)
    • B(e);S_CUTR(f)::QAR1(C)
    • P(d);N_GUARD::QAR1(C)
  • Tries
    • Try
      • S(E);CHECK,P_PINR(a)
      • Vars
        • B(c);XS(E)::R(I)+S(H),DCHECK,XB(c)
      • Refutation
        • K(b);N_SPINR(a),P-FLIGHT
    • Try
      • S(H);CHECK,P_PINB(c)
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAR1(C)
      • Refutation
        • S(h);XS(H)
  • Actual
    • Q(C);XP(d)
    • Threat
      • QAR1(C)
    • Vars
      • K(b);S_FLIGHT::QAR1(C)
      • R(a);P_PINP(D),XB(F)::R(B)+S(E),DCHECK
      • B(e);N_GUARD,P_PINS(E)::QAB1(C)
      • R(f);SBLOCK::QAR1(C)
      • B(c);::R(I)+S(H),DCHECK,XB(c)
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