MESON Chess Problem Database

Problem Display
PID: 206969 (8/4pR2/Np6/4p3/3Pk1pQ/1Br3r1/KB1nP1N1/2bR4 w - - 0 1)

Baumeister, Wolfgang

Deutsche Schachblatter, 1983

8/4pR2/Np6/4p3/3Pk1pQ/1Br3r1/KB1nP1N1/2bR4

#2

10 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rc2
      • 2.Qh7#
    • 1...Rcd3
      • 2.Qh7#
    • 1...Rce3
      • 2.Qh7#
    • 1...Rc5
      • 2.Qh7#
    • 1...Rc7
      • 2.Qh7#
    • 1...Rc8
      • 2.Qh7#
    • 1...Rgd3
      • 2.Qxg4#
    • 1...Rge3
      • 2.Qxg4#
    • 1...Rh3
      • 2.Qxg4#
    • 1...Sb1
      • 2.Qh7#
    • 1...Sf1
      • 2.Qh7#
    • 1...Sf3
      • 2.Qh7#
    • 1...exd4
      • 2.Qxe7#
  • Tries
    • 1.Qxe7?
      • threat
        • 2.Rf4#
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Qb4#
      • 1...Rxb3
        • 2.Qxe5#
        • 2.Qb7#
      • 1...Rxg2
        • 2.Qxe5#
      • 1...Sxb3
        • 2.Qxe5#
      • 1...Rcf3
        • 2.Qxe5#
        • 2.Qb7#
      • 1...Rc4
        • 2.Qxe5#
      • 1...Rc5
        • 2.Rf4#
      • 1...Rgf3
        • 2.Qxe5#
      • 1...Sb1
        • 2.Qxe5#
      • 1...Sf1
        • 2.Qxe5#
      • 1...Sc4
        • 2.Qb7#
      • 1...Sf3!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Rf4#
      • 1...exd4
        • 2.Rf4#
      • 1...Sf3
        • 2.Qh7#
      • 1...Rc5
        • 2.Qh7#
      • 1...Sc4
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • R(c);P_PINB(C)::QAB(H)
    • R(c);::QAB(H)
    • R(d);N_GUARD::QAR2(H),XP(f)
    • S(b);::QAB(H)
    • P(g);OGATEB,SBLOCK,XP(G)::QAR(H),XP(i)
  • Tries
    • Try
      • Q(H);N_PINP(f),P_PINP(g),XP(i)
      • Threat
        • DUALS(2)
      • Vars
        • K(e);N_SPINP(g),OGATEB,P-FLIGHT,P_SPINR(c),P_SPINS(b),XP(G)::QAR2(H)
        • R(d);XS(E)::QAR1(H),XP(g)
        • S(b);XB(F)::QAR1(H),XP(g)
        • R(c);::QAR1(H),XP(g)
        • R(c);::R1(J)
        • R(d);::QAR1(H),XP(g)
        • S(b);::QAR1(H),XP(g)
        • S(b);S_CUTR(c)::QAB(H)
      • Refutation
        • S(b);
  • Actual
    • Q(H);N_PINP(f)
    • Threat
      • QAR1(H),XP(g)
    • Vars
      • K(e);P-FLIGHT,P_SPINP(g),P_SPINR(c),P_SPINS(b),XP(G)::R(J)
      • P(g);N_GUARD,XP(G)::R1(J)
      • S(b);::QAB(H)
      • R(c);::QAB(H)
      • S(b);S_CUTR(c)::QAB(H)
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