MESON Chess Problem Database

Problem Display
PID: 144153 (3R4/3N3p/4B3/nRN2p1r/KQbk1p2/1p3qn1/2pBp3/8 w - - 0 1)

Wrobel, Marian

Bristol Times and Mirror, 1931

(First published on Sat Jan 10 1931)

3R4/3N3p/4B3/nRN2p1r/KQbk1p2/1p3qn1/2pBp3/8

#2

8 + 12

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Qh1
      • 2.Qc3#
    • 1...Qg2
      • 2.Qc3#
    • 1...Qe4
      • 2.Qc3#
    • 1...Qg4
      • 2.Qc3#
    • 1...Qd5
      • 2.Qc3#
    • 1...Qc6
      • 2.Qc3#
    • 1...Qb7
      • 2.Qc3#
    • 1...Qa8
      • 2.Qc3#
    • 1...Qf1
      • 2.Qc3#
    • 1...Qf2
      • 2.Qc3#
    • 1...Qc3
      • 2.Qxc3#
    • 1...Sc6
      • 2.Qxc4#
    • 1...Sb7
      • 2.Qxc4#
  • Tries
    • 1.Sxb3+?
      • 1...Kd3
        • 2.Sdc5#
      • 1...Ke4
        • 2.Sf6#
      • 1...Sxb3
        • 2.Qxc4#
      • 1...Qxb3+!
    • 1.Se5+?
      • 1...Qd5
        • 2.Sf3#
        • 2.Rxd5#
        • 2.Qc3#
      • 1...Kxe5!
    • 1.Sb6+?
      • 1...Qd5
        • 2.Rxd5#
        • 2.Qc3#
      • 1...Ke5!
    • 1.Sf6+?
      • 1...Qd5
        • 2.Rxd5#
        • 2.Qc3#
      • 1...Ke5!
    • 1.Sb8+?
      • 1...Qd5
        • 2.Rxd5#
        • 2.Qc3#
      • 1...Ke5!
    • 1.Sf8+?
      • 1...Qd5
        • 2.Rxd5#
        • 2.Qc3#
      • 1...Ke5!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sdf6#
      • 1...Kd3
        • 2.Sdc5#
      • 1...Kxe4
        • 2.Sf6#
      • 1...Qxe4
        • 2.Qc3#
      • 1...Sxe4
        • 2.Rd5#
      • 1...fxe4
        • 2.Se5#
      • 1...Sc6
        • 2.Qxc4#
      • 1...Sb7
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 10
  • Sets
    • Q(d);N_GUARD::QAB1(C)
    • Q(d);N_GUARD,P_PINR(D)::QAB1(C)
    • Q(d);N_GUARD::QAB1(C),XQ(d)
    • S(i);N_GUARD::QAR1(C),XB(f)
  • Tries
    • Try
      • S(E);CHECK,XP(c)
      • Vars
        • K(g);N_SPINB(f),P-FLIGHT::R(H)+S(G),DCHECK
        • K(g);P-FLIGHT::S(G)
        • S(i);XS(E)::QAR1(C),XB(f)
      • Refutation
        • Q(d);CHECK,XS(E)
    • Try
      • S(G);CHECK
      • Refutation
        • K(g);N_SPINB(f),S_FLIGHT,XS(G)
    • Try
      • S(G);CHECK
      • Refutation
        • K(g);N_SPINB(f),S_FLIGHT
    • Try
      • S(G);CHECK
      • Refutation
        • K(g);N_SPINB(f),S_FLIGHT
    • Try
      • S(G);CHECK
      • Refutation
        • K(g);N_SPINB(f),S_FLIGHT
    • Try
      • S(G);CHECK
      • Refutation
        • K(g);N_SPINB(f),S_FLIGHT
  • Actual
    • S(E);
    • Threat
      • R(H)+S(G)
    • Vars
      • K(g);N_SPINB(f),P-FLIGHT::R(H)+S(G),DCHECK
      • K(g);P-FLIGHT,XS(E)::S(G)
      • Q(d);N_GUARD,SBLOCK,XS(E)::QAB1(C)
      • S(e);SBLOCK,XS(E)::R1(D)
      • P(j);SBLOCK,XS(E)::R(H)+S(G)
      • S(i);N_GUARD::QAR1(C),XB(f)
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