MESON Chess Problem Database

Problem Display
PID: 53406 (b2r4/2N2pR1/3pp3/3BnkPN/2p1p3/K2pQ3/PB4R1/4rqn1 w - - 0 1)

Marysko, Milos

Chess Life, 1955

b2r4/2N2pR1/3pp3/3BnkPN/2p1p3/K2pQ3/PB4R1/4rqn1

#2

10 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Qe2
      • 2.Qf4#
    • 1...Qxg2
      • 2.Qf4#
    • 1...Qf4
      • 2.Qxf4#
    • 1...Ra1
      • 2.Qxe4#
    • 1...Rb1
      • 2.Qxe4#
    • 1...Rc1
      • 2.Qxe4#
    • 1...Rd1
      • 2.Qxe4#
    • 1...Se2
      • 2.Qxe4#
    • 1...Sgf3
      • 2.Qf4#
    • 1...Sef3
      • 2.Qf4#
    • 1...Sg4
      • 2.Sg3#
    • 1...Sc6
      • 2.Bxe4#
    • 1...Sg6
      • 2.Rxf7#
    • 1...f6
      • 2.Bxe6#
  • Tries
    • 1.Qh3+?
      • 1...Sg4
        • 2.Qxg4#
      • 1...Sxh3!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sd4#
      • 1...Qxg2
        • 2.Qf4#
      • 1...Se2
        • 2.Qxe4#
      • 1...Sgf3
        • 2.Qf4#
      • 1...Sef3
        • 2.Qf4#
      • 1...Sg4
        • 2.Sg3#
      • 1...Sc6
        • 2.Bxe4#
      • 1...Sg6
        • 2.Rxf7#
      • 1...Sd7
        • 2.Sxd6#

This is a version of 53394

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • Q(b);N_GUARD::QAR1(E)
    • Q(b);N_GUARD,XR(C)::QAR1(E)
    • Q(b);N_GUARD::QAR1(E),XQ(b)
    • R(a);N_GUARD,P_PINP(A)::QAB1(E),XP(f)
    • R(a);N_GUARD::QAB1(E),XP(f)
    • S(c);S_CUTR(a)::QAB1(E),XP(f)
    • S(c);S_CUTQ(b)::QAR1(E)
    • S(g);S_CUTQ(b)::QAR1(E)
    • S(g);SBLOCK::S(H)
    • S(g);S_CUTB(l)::B(F),XP(f)
    • S(g);N_GUARD,SBLOCK::R(J),XP(k)
    • P(k);N_GUARD::B(F),XP(j)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::QAB1(E),XS(g)
      • Refutation
        • S(c);XQ(E)
  • Actual
    • S(I);
    • Threat
      • S(I)
    • Vars
      • Q(b);N_GUARD,XR(C)::QAR1(E)
      • S(c);S_CUTR(a)::QAB1(E),XP(f)
      • S(c);S_CUTQ(b)::QAR1(E)
      • S(g);S_CUTQ(b)::QAR1(E)
      • S(g);SBLOCK::S(H)
      • S(g);S_CUTB(l)::B(F),XP(f)
      • S(g);N_GUARD,SBLOCK::R(J),XP(k)
      • S(g);S_CUTR(m)::S(I),XP(i)
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