MESON Chess Problem Database

Problem Display
PID: 246064 (3Q4/8/2K5/4p3/2p3p1/2Bpk1p1/3R1nn1/4NR1B w - - 0 1)

Wrobel, Marian

Shakhmatna misl, 1957

3Q4/8/2K5/4p3/2p3p1/2Bpk1p1/3R1nn1/4NR1B

#2

7 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Sxg2#
    • 1...Sxe1
      • 2.Qg5#
    • 1...Sf4
      • 2.Qb6#
    • 1...Sh4
      • 2.Qg5#
  • Tries
    • 1.Qg5+?
      • 1...Ke4
        • 2.Bxg2#
        • 2.Qxe5#
      • 1...Sf4!
    • 1.Qf6?
      • 1...Ke4
        • 2.Qxe5#
      • 1...Sxh1
        • 2.Qxe5#
      • 1...Sxe1
        • 2.Rxe1#
        • 2.Qg5#
        • 2.Qh6#
      • 1...Sd1
        • 2.Qxe5#
      • 1...Sh3
        • 2.Qxe5#
      • 1...Se4
        • 2.Sxg2#
      • 1...Sh4
        • 2.Qg5#
        • 2.Qh6#
      • 1...e4
        • 2.Sxg2#
      • 1...Sf4!
    • 1.Qe7?
      • 1...Ke4
        • 2.Qxe5#
      • 1...Kf4
        • 2.Qxe5#
      • 1...Sxh1
        • 2.Qxe5#
      • 1...Sxe1
        • 2.Qg5#
      • 1...Sh4
        • 2.Qg5#
      • 1...Sd1
        • 2.Qxe5#
      • 1...Sh3
        • 2.Qxe5#
      • 1...Se4
        • 2.Sxg2#
      • 1...Sf4
        • 2.Qc5#
        • 2.Qa7#
      • 1...e4!
  • Keys
    • 1.Qd6!
      • 1...Ke4
        • 2.Qxe5#
      • 1...Kf4
        • 2.Qxe5#
      • 1...Sxh1
        • 2.Qxe5#
      • 1...Sxe1
        • 2.Qh6#
      • 1...Sh4
        • 2.Qh6#
      • 1...Sd1
        • 2.Qxe5#
      • 1...Sh3
        • 2.Qxe5#
      • 1...Se4
        • 2.Sxg2#
      • 1...Sf4
        • 2.Qc5#
      • 1...e4
        • 2.Qxg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::S(A),XS(b)
    • S(b);N_GUARD,XS(A)::QAB(G)
    • S(b);SBLOCK::QAB(G)
    • S(b);N_GUARD::QAB(G)
  • Tries
    • Try
      • Q(G);CHECK
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • Q(G);
      • Vars
        • K(d);P-FLIGHT,P_SPINS(b)::QAR1(G),XP(h)
        • S(a);N_GUARD,XB(C)::QAR2(G),XP(h)
        • S(a);N_GUARD::QAR2(G),XP(h)
        • S(a);SBLOCK::S(A),XS(b)
        • P(h);SBLOCK::S(A),XS(b)
      • Refutation
        • S(b);
    • Try
      • Q(G);P_PINP(h)
      • Vars
        • K(d);P-FLIGHT,P_SPINS(b)::QAR1(G),XP(h)
        • K(d);N_SPINP(h),P_SPINS(a),S_FLIGHT::QAB1(G),XP(h)
        • S(a);N_GUARD,XB(C)::QAR2(G),XP(h)
        • S(b);N_GUARD,XS(A)::QAB(G)
        • S(b);N_GUARD::QAB(G)
        • S(a);N_GUARD::QAR2(G),XP(h)
        • S(a);N_SPINP(h),SBLOCK::S(A),XS(b)
      • Refutation
        • P(h);
  • Actual
    • Q(G);
    • Vars
      • K(d);P-FLIGHT,P_SPINS(b)::QAR1(G),XP(h)
      • K(d);P_SPINP(h),P_SPINS(a),S_FLIGHT::QAB1(G),XP(h)
      • S(a);N_GUARD,XB(C)::QAR2(G),XP(h)
      • S(b);N_GUARD,XS(A)::QAB(G)
      • S(b);N_GUARD::QAB(G)
      • S(a);N_GUARD::QAR2(G),XP(h)
      • S(a);SBLOCK::S(A),XS(b)
      • S(b);SBLOCK::QAB(G)
      • P(h);OGATE,SBLOCK::QAR2(G),XP(e)
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