MESON Chess Problem Database

Problem Display
PID: 181064 (2N2qB1/n6Q/rn2PP2/p2k2p1/1P3PK1/N5P1/4PB2/1r6 w - - 0 1)

Drnek, Josef

Nove parizske mody, 1904

2N2qB1/n6Q/rn2PP2/p2k2p1/1P3PK1/N5P1/4PB2/1r6

#2

12 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Qxh1#
    • 1...Rb2
      • 2.Qh1#
    • 1...Sb5
      • 2.Qb7#
    • 1...Sc6
      • 2.e4#
  • Tries
    • 1.Sxb6+?
      • 1...Kc6
        • 2.Qd7#
      • 1...Kd6
        • 2.Qd7#
      • 1...Rxb6!
  • Keys
    • 1.b5!
      • threat
        • 2.Qd3#
        • 2.Qf5#
        • 2.e4#
      • 1...Qxa3
        • 2.e7#
      • 1...Qxf6
        • 2.e4#
      • 1...Qxc8
        • 2.Qd3#
      • 1...Qxg8
        • 2.Qf5#
      • 1...Rxb5
        • 2.Qh1#
      • 1...Sbxc8
        • 2.Qd3#
      • 1...Sxb5
        • 2.Qb7#
      • 1...Saxc8
        • 2.Qd3#
      • 1...gxf4
        • 2.Qf5#
      • 1...Qf7
        • 2.Qf5#
      • 1...Qb4
        • 2.Qf5#
        • 2.e7#
      • 1...Qc5
        • 2.Qf5#
        • 2.e4#
        • 2.e7#
      • 1...Qd6
        • 2.Qd3#
        • 2.e4#
      • 1...Rd1
        • 2.Qf5#
        • 2.e4#
      • 1...Re1
        • 2.Qd3#
        • 2.Qf5#
      • 1...Rb3
        • 2.Qf5#
        • 2.e4#
      • 1...Rb4
        • 2.Qf5#
      • 1...Sc4
        • 2.Qd3#
        • 2.e4#
      • 1...Sd7
        • 2.Qd3#
        • 2.e4#
      • 1...Sc6
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 2
  • Sets
    • R(a);N_GUARD::QAB(J),XR(a)
    • R(a);N_GUARD::QAB(J)
    • S(g);N_GUARD::QAB(J)
    • S(g);SBLOCK::P(A)
  • Tries
    • Try
      • S(K);CHECK,XS(f)
      • Vars
        • K(c);S_FLIGHT::QAB1(J)
        • K(c);P-FLIGHT::QAR1(J)
      • Refutation
        • R(e);XS(K)
  • Actual
    • P(E);
    • Threat
      • DUALS(3)
    • Vars
      • Q(h);N_GUARD,XS(C)::B(L)+P(H)
      • Q(h);XP(I)::P(A)
      • Q(h);P_PINP(H),XS(K)::QAR2(J)
      • Q(h);XB(L)::QAR2(J)
      • R(a);N_GUARD,XP(E)::QAB(J)
      • S(f);XS(K)::QAR2(J)
      • S(g);N_GUARD,XP(E)::QAB(J)
      • S(g);XS(K)::QAR2(J)
      • P(d);XP(F)::QAR2(J)
      • Q(h);::QAR2(J)
      • R(a);P_PINP(F)::QAR2(J)
      • S(g);::P(A)
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Developed and maintained by Brian Stephenson.
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