MESON Chess Problem Database

Problem Display
PID: 225377 (2b2br1/K3pR2/2p5/2Q5/p3k3/r3p3/2p5/n1N2B2 w - - 0 1)

Bartolovic, Hrvoje

Praca, 1957

2b2br1/K3pR2/2p5/2Q5/p3k3/r3p3/2p5/n1N2B2

#2

5 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Bd3#
    • 1...Rd3
      • 2.Bxd3#
    • 1...Rg2
      • 2.Bxg2#
    • 1...Rh8
      • 2.Bg2#
    • 1...Bg7
      • 2.Bg2#
    • 1...Sb3
      • 2.Bd3#
    • 1...e5
      • 2.Qc4#
  • Tries
    • 1.Rf5?
      • threat
        • 2.Qe5#
      • 1...e5
        • 2.Qxe5#
      • 1...Bg7
        • 2.Bg2#
      • 1...Bxf5!
  • Keys
    • 1.Se2!
      • threat
        • 2.Qd4#
      • 1...Kd3
        • 2.Qd4#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Rd3
        • 2.Rf4#
      • 1...Bg7
        • 2.Sg3#
      • 1...Sb3
        • 2.Sc3#
      • 1...e5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD::B(B)
    • R(c);N_GUARD::B(B),XR(c)
    • R(k);N_GUARD::B(B),XR(k)
    • R(k);N_GUARD::B(B)
    • B(j);S_CUTR(k)::B(B)
    • S(a);S_CUTR(c)::B(B)
    • P(h);SBLOCK::QAR2(C)
  • Tries
    • Try
      • R(E);
      • Threat
        • QAR1(C)
      • Vars
        • P(h);::QAR1(C),XP(h)
        • B(j);S_CUTR(k)::B(B)
      • Refutation
        • B(i);XR(E)
  • Actual
    • S(A);
    • Threat
      • QAR1(C)
    • Vars
      • K(f);S_FLIGHT::QAR1(C)
      • B(i);N_GUARD::QAB1(C),XB(i)
      • R(c);SBLOCK::R1(E)
      • B(j);S_CUTR(k)::S(A)
      • S(a);S_CUTR(c)::S(A)
      • P(h);SBLOCK::QAR2(C)
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