MESON Chess Problem Database

Problem Display
PID: 104469 (Bb6/p1R5/P3p3/pp2p3/b2kp3/4p3/QKp1R3/n1N5 w - - 0 1)

Nesic, Milivoj S

Petkowski, N

Novi Temi, 1967-67

Bb6/p1R5/P3p3/pp2p3/b2kp3/4p3/QKp1R3/n1N5

#2

7 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Rc4#
      • 2.Qc4#
  • Tries
    • 1.Qxe6?
      • threat
        • 2.Qd5#
        • 2.Qd7#
        • 2.Qd6#
      • 1...Bxc7
        • 2.Qd5#
      • 1...b4
        • 2.Rc4#
        • 2.Qc4#
        • 2.Qd5#
        • 2.Qd6#
      • 1...Bb3!
    • 1.Qxa1?
      • threat
        • 2.Ka2#
        • 2.Ka3#
      • 1...Bb3
        • 2.Ka3#
        • 2.Kxb3#
      • 1...b4
        • 2.Ka2#
      • 1...Bxc7!
    • 1.Qxa4+?
      • 1...b4
        • 2.Qd7#
      • 1...bxa4!
  • Keys
    • 1.Qa3!
      • threat
        • 2.Qc5#
        • 2.Qd6#
        • 2.Qc3#
        • 2.Qxe3#
      • 1...Bxc7
        • 2.Qc3#
      • 1...Bb3
        • 2.Qc5#
      • 1...Sb3
        • 2.Qd6#
      • 1...b4
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);XP(j)
      • Threat
        • DUALS(3)
      • Vars
        • B(l);XR(F)::QAR1(B)
      • Refutation
        • B(d);
    • Try
      • Q(B);XS(a)
      • Threat
        • DUALS(2)
      • Vars
        • P(h);::QAB(B)+K(C)
      • Refutation
        • B(l);XR(F)
    • Try
      • Q(B);CHECK,XB(d)
      • Vars
        • P(h);OGATE,P_SPINP(h)::QAR(B)
      • Refutation
        • P(h);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • DUALS(4)
    • Vars
      • B(l);XR(F)::QAB1(B)
      • B(d);::QAB1(B)
      • S(a);::QAR2(B)
      • P(h);::QAB1(B),XP(c)
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