MESON Chess Problem Database

Problem Display
PID: 100758 (5b2/2N2N2/2p2p1p/8/1r1k3K/BP6/1P2PP2/1n2Q3 w - - 0 1)

Semerad, Bohumil

Narodni Politika, 1912

5b2/2N2N2/2p2p1p/8/1r1k3K/BP6/1P2PP2/1n2Q3

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5+
      • 2.Qxb4#
    • 1...Bg7
      • 2.Qxb4#
  • Keys
    • 1.Qg1!
      • threat
        • 2.f3#
      • 1...Kc5+
        • 2.f4#
      • 1...Ke4
        • 2.Qg4#
      • 1...Rxb3
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(c);CHECK,P_SPINR(b),S_FLIGHT::QAB1(A),XR(b)
    • B(g);N_GUARD::QAR2(A),XR(b)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)+P(D)
    • Vars
      • K(c);CHECK,P_SPINR(b),S_FLIGHT::QAB(A)+P(D)
      • K(c);P-FLIGHT::QAR2(A)
      • R(b);XP(F)::QAR(A)
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