MESON Chess Problem Database

Problem Display
PID: 12188 (5b2/8/K1p2p2/n7/1pk1BN2/7R/1r1P4/5NQ1 w - - 0 1)

Bartolovic, Hrvoje

1st HM., Arbeiter Zeitung, 1976

5b2/8/K1p2p2/n7/1pk1BN2/7R/1r1P4/5NQ1

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Sxd2#
    • 1...Sb3
      • 2.Bd3#
    • 1...c5
      • 2.Bd5#
  • Tries
    • 1.Se6?
      • threat
        • 2.Qd4#
      • 1...Rxd2
        • 2.Sxd2#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Sb3
        • 2.Se3#
      • 1...c5!
    • 1.Bf5?
      • threat
        • 2.Be6#
      • 1...Rxd2
        • 2.Sxd2#
      • 1...b3!
    • 1.Bg6?
      • threat
        • 2.Bf7#
      • 1...Rxd2
        • 2.Sxd2#
      • 1...b3!
    • 1.Bh7?
      • threat
        • 2.Bg8#
      • 1...Rxd2
        • 2.Sxd2#
      • 1...b3!
    • 1.Rd3?
      • threat
        • 2.Qd4#
      • 1...Bc5
        • 2.Qg8#
      • 1...c5
        • 2.Se3#
        • 2.Bd5#
        • 2.Qg8#
      • 1...Sb3!
  • Keys
    • 1.Se2!
      • threat
        • 2.Qd4#
      • 1...Rxd2
        • 2.Sxd2#
      • 1...Bc5
        • 2.Qg8#
      • 1...Sb3
        • 2.d3#
      • 1...c5
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(a);XP(C)::S(A),XR(a)
    • S(d);SBLOCK::B(E)
    • P(e);N_GUARD::B(E)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR1(B)
      • Vars
        • R(a);XP(C)::S(A),XR(a)
        • B(g);N_GUARD::QAR1(B),XB(g)
        • S(d);SBLOCK::S(A)
      • Refutation
        • P(e);
    • Try
      • B(E);
      • Threat
        • B(E)
      • Vars
        • R(a);XP(C)::S(A),XR(a)
      • Refutation
        • P(b);
    • Try
      • B(E);
      • Threat
        • B(E)
      • Vars
        • R(a);XP(C)::S(A),XR(a)
      • Refutation
        • P(b);
    • Try
      • B(E);
      • Threat
        • B(E)
      • Vars
        • R(a);XP(C)::S(A),XR(a)
      • Refutation
        • P(b);
    • Try
      • R(D);
      • Threat
        • QAR1(B)
      • Vars
        • B(g);SBLOCK::QAB(B)
      • Refutation
        • S(d);
  • Actual
    • S(F);
    • Threat
      • QAR1(B)
    • Vars
      • R(a);XP(C)::S(A),XR(a)
      • B(g);SBLOCK::QAB(B)
      • S(d);SBLOCK::P(C)
      • P(e);SBLOCK::QAB(B)
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