MESON Chess Problem Database

Problem Display
PID: 239595 (1N6/1R1K4/PpP5/1BP5/PkP5/1NpP4/R1n5/3Q4 w - - 0 1)

Maleika, Gerhard

1st Comm., Rochade Europa, 1998

1N6/1R1K4/PpP5/1BP5/PkP5/1NpP4/R1n5/3Q4

#2

13 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxb3
      • 2.Qb1#
  • Tries
    • 1.Qc1?
      • 1...Kxb3
        • 2.Qb1#
      • 1...Sa1
        • 2.Qa3#
      • 1...Se1
        • 2.Qa3#
      • 1...Sa3
        • 2.Qxa3#
      • 1...Se3
        • 2.Qa3#
      • 1...Sd4
        • 2.Qa3#
      • 1...bxc5!
    • 1.a5?
      • 1...Kxb3
        • 2.Qb1#
      • 1...bxa5
        • 2.Ba4#
      • 1...bxc5
        • 2.Ba4#
      • 1...Sa1
        • 2.Ra4#
      • 1...Se1
        • 2.Ra4#
      • 1...Se3
        • 2.Ra4#
      • 1...Sd4
        • 2.Ra4#
      • 1...Sa3!
    • 1.c7?
      • 1...Kxb3
        • 2.Qb1#
      • 1...bxc5
        • 2.Bc6#
      • 1...Sa1
        • 2.Sc6#
      • 1...Se1
        • 2.Sc6#
      • 1...Sa3
        • 2.Sc6#
      • 1...Se3
        • 2.Sc6#
      • 1...Sd4!
  • Keys
    • 1.a7!
      • 1...Kxb3
        • 2.Qb1#
      • 1...bxc5
        • 2.Ba6#
      • 1...Sa1
        • 2.Sa6#
      • 1...Se1
        • 2.Sa6#
      • 1...Sa3
        • 2.Sa6#
      • 1...Se3
        • 2.Sa6#
      • 1...Sd4
        • 2.Sa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(c);OGATEB,P-FLIGHT,P_SPINS(a),XS(C)::QAR2(A)
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(c);OGATEB,P-FLIGHT,XS(C)::QAR2(A)
        • S(a);N_GUARD::QAB1(A)
        • S(a);N_GUARD::QAB1(A),XS(a)
      • Refutation
        • P(d);XP(H)
    • Try
      • P(E);
      • Vars
        • K(c);OGATEB,P-FLIGHT,P_SPINS(a),XS(C)::QAR2(A)
        • P(d);OGATEB,XP(E)::R(K)+B(G)
        • P(d);OGATEB,XP(H)::R(K)+B(G)
        • S(a);::R1(B)
      • Refutation
        • S(a);
    • Try
      • P(J);
      • Vars
        • K(c);OGATEB,P-FLIGHT,P_SPINS(a),XS(C)::QAR2(A)
        • P(d);OGATEB,XP(H)::R(K)+B(G)
        • S(a);::S(M)
      • Refutation
        • S(a);
  • Actual
    • P(I);
    • Vars
      • K(c);OGATEB,P-FLIGHT,P_SPINS(a),XS(C)::QAR2(A)
      • P(d);OGATEB,XP(H)::R(K)+B(G)
      • S(a);::S(M)
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