MESON Chess Problem Database

Problem Display
PID: 193714 (1nBb1NK1/3r1p2/1PN2p2/1n3kp1/4q1r1/1Qp2PB1/8/1R6 w - - 0 1)

Smolcz, Lajos

Pesti Naplo, 1915

1nBb1NK1/3r1p2/1PN2p2/1n3kp1/4q1r1/1Qp2PB1/8/1R6

#2

9 + 11

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb1
      • 2.Qd5#
    • 1...Qc2
      • 2.Qd5#
      • 2.Qxb5#
    • 1...Qd5
      • 2.Qxd5#
    • 1...Qa4
      • 2.Qd5#
    • 1...Qb4
      • 2.Qd5#
  • Tries
    • 1.Bxd7+?
      • 1...Qe6
        • 2.Qd5#
        • 2.Qxb5#
      • 1...Sxd7!
    • 1.Qxb5+?
      • 1...Qd5
        • 2.Qxd5#
      • 1...Qe5!
    • 1.fxg4+?
      • 1...Qxg4
        • 2.Qd5#
      • 1...Kxg4!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Rxb5#
      • 1...Rxg3
        • 2.Qxe4#
      • 1...Bxb6
        • 2.Se7#
      • 1...Sxc6
        • 2.Bxd7#
      • 1...Bc7
        • 2.Se7#
      • 1...Be7
        • 2.Sxe7#
      • 1...Sa3
        • 2.Sd4#
      • 1...Sd4
        • 2.Sxd4#
      • 1...Sd6
        • 2.Sd4#
      • 1...Sa7
        • 2.Sd4#
      • 1...Sc7
        • 2.Sd4#
      • 1...Sa6
        • 2.Bxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 4
  • Sets
    • Q(b);N_GUARD,XR(A)::QAR2(B)
    • Q(b);N_GUARD::QAR2(B),XQ(b)
    • Q(b);N_GUARD::QAR2(B)
  • Tries
    • Try
      • B(G);CHECK,XR(h)
      • Refutation
        • S(j);XB(G)
    • Try
      • Q(B);CHECK,XS(d)
      • Vars
        • Q(b);N_GUARD,P_SPINQ(b)::QAR2(B),XQ(b)
      • Refutation
        • Q(b);P_SPINQ(b)
    • Try
      • P(C);CHECK,XR(c)
      • Vars
        • Q(b);SBLOCK,XP(C)::QAR2(B)
      • Refutation
        • K(e);S_FLIGHT,XP(C)
  • Actual
    • Q(B);P_PINQ(b)
    • Threat
      • R(A),XS(d)
    • Vars
      • R(c);N_GUARD,XB(D)::QAB1(B),XQ(b)
      • B(k);N_GUARD,XP(E)::S(F)
      • S(j);N_GUARD,XS(F)::B(G),XR(h)
      • B(k);N_GUARD::S(F)
      • B(k);N_GUARD::S(F),XB(k)
      • S(d);N_GUARD::S(F)
      • S(d);N_GUARD::S(F),XS(d)
      • S(j);N_GUARD::B(G),XR(h)
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