MESON Chess Problem Database

Problem Display
PID: 141541 (8/1N1B3n/1RPpP1R1/1ppk1K1N/2pPpB2/q1n5/7Q/r7 w - - 0 1)

Wielgos, Oskar

Probleemblad, 1977

8/1N1B3n/1RPpP1R1/1ppk1K1N/2pPpB2/q1n5/7Q/r7

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qd2#
  • Tries
    • 1.Sf6+?
      • 1...Kxd4
        • 2.Qd2#
      • 1...Sxf6!
    • 1.Be3?
      • threat
        • 2.Sf4#
        • 2.Qxd6#
      • 1...cxd4
        • 2.Sf4#
      • 1...Se2
        • 2.Qxd6#
      • 1...Rf1+!
    • 1.Bg5?
      • threat
        • 2.Qxd6#
      • 1...Kxd4
        • 2.Qd2#
      • 1...cxd4
        • 2.Sf4#
      • 1...Rf1+!
    • 1.Bxd6?
      • threat
        • 2.Qe5#
      • 1...Kxd4
        • 2.Qd2#
      • 1...Rf1+!
    • 1.Bh6?
      • threat
        • 2.Qxd6#
      • 1...Kxd4
        • 2.Qd2#
      • 1...cxd4
        • 2.Sf4#
      • 1...Rf1+!
    • 1.c7?
      • threat
        • 2.Rxd6#
      • 1...Kxd4
        • 2.Qd2#
      • 1...cxd4
        • 2.Bc6#
      • 1...Qa6!
    • 1.e7?
      • threat
        • 2.Rxd6#
      • 1...Kxd4
        • 2.Qd2#
      • 1...cxd4
        • 2.Be6#
      • 1...Sf6!
  • Keys
    • 1.Bc1!
      • threat
        • 2.Qxd6#
      • 1...Kxd4
        • 2.Qd2#
      • 1...cxd4
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(h);OGATEB,P-FLIGHT,XP(B)::QAR2(A)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(h);P-FLIGHT,XP(B)::QAR2(A)
      • Refutation
        • S(j);XS(E)
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(g);XP(B)::S(E)
        • S(c);::QAR1(A),XP(i)
      • Refutation
        • R(a);CHECK
    • Try
      • B(C);
      • Threat
        • QAR1(A),XP(i)
      • Vars
        • K(h);OGATEB,P-FLIGHT,XP(B)::QAR2(A)
        • P(g);SBLOCK,XP(B)::S(E)
      • Refutation
        • R(a);CHECK
    • Try
      • B(C);XP(i)
      • Threat
        • QAR1(A)
      • Vars
        • K(h);OGATEB,P-FLIGHT,XP(B)::QAR2(A)
      • Refutation
        • R(a);CHECK
    • Try
      • B(C);
      • Threat
        • QAR1(A),XP(i)
      • Vars
        • K(h);OGATEB,P-FLIGHT,XP(B)::QAR2(A)
        • P(g);SBLOCK,XP(B)::S(E)
      • Refutation
        • R(a);CHECK
    • Try
      • P(G);
      • Threat
        • R1(F),XP(i)
      • Vars
        • K(h);OGATEB,P-FLIGHT,XP(B)::QAR2(A)
        • P(g);SBLOCK,XP(B)::B(K)
      • Refutation
        • Q(b);
    • Try
      • P(H);
      • Threat
        • R1(I),XP(i)
      • Vars
        • K(h);OGATEB,P-FLIGHT,XP(B)::QAR2(A)
        • P(g);SBLOCK,XP(B)::B(K)
      • Refutation
        • S(j);
  • Actual
    • B(C);
    • Threat
      • QAR1(A),XP(i)
    • Vars
      • K(h);OGATEB,P-FLIGHT,XP(B)::QAR2(A)
      • P(g);SBLOCK,XP(B)::S(E)
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