MESON Chess Problem Database

Problem Display
PID: 205497 (2n5/4p3/p2pP3/k2N4/p1P1p3/B3Q3/5p2/4bK2 w - - 0 1)

Csontos, Jeno

Magyar Sakkvilag, 1925

2n5/4p3/p2pP3/k2N4/p1P1p3/B3Q3/5p2/4bK2

#2

6 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.Qxd2#
    • 1...Bc3
      • 2.Qxc3#
    • 1...Bb4
      • 2.Bxb4#
    • 1...Sb6
      • 2.Qxb6#
    • 1...Sa7
      • 2.Qb6#
  • Tries
    • 1.Bc1?
      • 1...a3
        • 2.Qxa3#
      • 1...Bd2
        • 2.Bxd2#
        • 2.Qxd2#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Sb6
        • 2.Qxb6#
      • 1...Sa7
        • 2.Qb6#
      • 1...Bb4!
    • 1.Bb2?
      • 1...a3
        • 2.Qxa3#
      • 1...Bd2
        • 2.Qxd2#
      • 1...Bc3
        • 2.Bxc3#
        • 2.Qxc3#
      • 1...Sb6
        • 2.Qxb6#
      • 1...Sa7
        • 2.Qb6#
      • 1...Bb4!
    • 1.Bxd6?
      • threat
        • 2.Qc5#
      • 1...Sxd6
        • 2.Qb6#
      • 1...a3
        • 2.Qxa3#
      • 1...Bb4
        • 2.Bxb4#
      • 1...Sa7
        • 2.Bc7#
        • 2.Qb6#
      • 1...exd6!
    • 1.Qxf2?
      • threat
        • 2.Qxe1#
      • 1...Bxf2
        • 2.Bb4#
      • 1...Bd2
        • 2.Qxd2#
      • 1...Bb4
        • 2.Bxb4#
      • 1...Bc3!
    • 1.Qd4?
      • 1...Bd2
        • 2.Qxd2#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Bb4
        • 2.Bxb4#
      • 1...Sb6
        • 2.Qxb6#
      • 1...Sa7
        • 2.Qb6#
      • 1...e3!
  • Keys
    • 1.Bc5!
      • 1...dxc5
        • 2.Qxc5#
      • 1...a3
        • 2.Qxa3#
      • 1...Bd2
        • 2.Qxd2#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Bb4
        • 2.Bxb4#
      • 1...Sb6
        • 2.Bxb6#
      • 1...Sa7
        • 2.Bb6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAB(C),XB(a)
    • B(a);N_GUARD::B(B),XB(a)
    • S(i);N_GUARD::QAB1(C),XS(i)
    • S(i);N_GUARD::QAB1(C)
  • Tries
    • Try
      • B(B);
      • Vars
        • P(c);OGATEB::QAR2(C),XP(c)
        • B(a);N_GUARD::QAB(C),XB(a)
        • S(i);N_GUARD::QAB1(C),XS(i)
        • S(i);N_GUARD::QAB1(C)
      • Refutation
        • B(a);
    • Try
      • B(B);
      • Vars
        • P(c);OGATEB::QAR2(C),XP(c)
        • B(a);N_GUARD::QAB(C),XB(a)
        • S(i);N_GUARD::QAB1(C),XS(i)
        • S(i);N_GUARD::QAB1(C)
      • Refutation
        • B(a);
    • Try
      • B(B);XP(g)
      • Threat
        • QAR2(C)
      • Vars
        • S(i);N_GUARD,XB(B)::QAB1(C)
        • P(c);OGATEB::QAR2(C),XP(c)
        • B(a);N_GUARD::B(B),XB(a)
      • Refutation
        • P(h);XB(B)
    • Try
      • Q(C);XP(b)
      • Threat
        • QAB(C),XB(a)
      • Vars
        • B(a);N_GUARD,XQ(C)::B(B)
        • B(a);N_GUARD::QAB(C),XB(a)
        • B(a);N_GUARD::B(B),XB(a)
      • Refutation
        • B(a);
    • Try
      • Q(C);
      • Vars
        • B(a);N_GUARD::QAB(C),XB(a)
        • B(a);N_GUARD::B(B),XB(a)
        • S(i);N_GUARD::QAB1(C),XS(i)
        • S(i);N_GUARD::QAB1(C)
      • Refutation
        • P(d);
  • Actual
    • B(B);
    • Vars
      • P(g);OGATE,XB(B)::QAR2(C),XP(g)
      • P(c);OGATEB::QAR2(C),XP(c)
      • B(a);N_GUARD::QAB(C),XB(a)
      • B(a);N_GUARD::B(B),XB(a)
      • S(i);N_GUARD::B(B),XS(i)
      • S(i);N_GUARD::B(B)
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