MESON Chess Problem Database

Problem Display
PID: 93750 (1n2Q3/b3p1N1/3pP1Bp/3k4/3B3q/2R5/1NP5/K2R2n1 w - - 0 1)

Feigl, Maximilian

1st Prize, Rundschau Ty., 1899

1n2Q3/b3p1N1/3pP1Bp/3k4/3B3q/2R5/1NP5/K2R2n1

#2

10 + 8

15 British Chess Magazine 1900
15 British Chess Magazine 1911
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd4
      • 2.Qb5#
    • 1...Sa6
      • 2.Qc6#
      • 2.Qa8#
    • 1...Sc6
      • 2.Qxc6#
    • 1...Sd7
      • 2.Qa8#
  • Tries
    • 1.Bb6+?
      • 1...Qd4
        • 2.Qb5#
      • 1...Ke5!
    • 1.Bf6+?
      • 1...Bd4
        • 2.Qb5#
      • 1...Qd4!
    • 1.Bxa7+?
      • 1...Qd4
        • 2.Qb5#
      • 1...Ke5!
    • 1.Ra3?
      • threat
        • 2.c4#
      • 1...Bxd4
        • 2.Ra5#
        • 2.Qb5#
      • 1...Sd7
        • 2.Qa8#
      • 1...Qxd4!
    • 1.Rb3?
      • threat
        • 2.c4#
      • 1...Bxd4
        • 2.Rb5#
        • 2.Qb5#
      • 1...Sd7
        • 2.Qa8#
      • 1...Qxd4!
    • 1.Rcd3?
      • threat
        • 2.c4#
      • 1...Bxd4
        • 2.Qb5#
      • 1...Sd7
        • 2.Qa8#
      • 1...Qxd4!
    • 1.Re3?
      • threat
        • 2.c4#
      • 1...Bxd4
        • 2.Qb5#
      • 1...Sd7
        • 2.Qa8#
      • 1...Qxd4!
    • 1.Rf3?
      • threat
        • 2.c4#
      • 1...Bxd4
        • 2.Qb5#
      • 1...Sd7
        • 2.Qa8#
      • 1...Qxd4!
    • 1.Rg3?
      • threat
        • 2.c4#
      • 1...Bxd4
        • 2.Qb5#
      • 1...Sd7
        • 2.Qa8#
      • 1...Qxd4!
    • 1.Rc5+?
      • 1...Bxc5
        • 2.c4#
      • 1...dxc5!
    • 1.Rc7?
      • threat
        • 2.c4#
      • 1...Bxd4
        • 2.Qb5#
      • 1...Qxd4!
    • 1.Rc8?
      • threat
        • 2.c4#
      • 1...Bxd4
        • 2.Qb5#
      • 1...Qxd4!
  • Keys
    • 1.Rh3!
      • threat
        • 2.c4#
      • 1...Qxd4
        • 2.Rh5#
      • 1...Bxd4
        • 2.Qb5#
      • 1...Sd7
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(f);N_GUARD,P_SPINB(f),XB(F)::QAR2(J)
    • S(h);N_GUARD::QAB1(J),XS(h)
    • S(h);OGATE::QAB(J)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • Q(b);P_SPINQ(b)::QAR2(J)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(F);CHECK
      • Vars
        • B(f);P_SPINB(f)::QAR2(J)
      • Refutation
        • Q(b);P_SPINQ(b)
    • Try
      • B(F);CHECK,XB(f)
      • Vars
        • Q(b);P_SPINQ(b)::QAR2(J)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • R(E);
      • Threat
        • P(D)
      • Vars
        • S(h);OGATE::QAB(J)
      • Refutation
        • Q(b);P_PINS(C),P_SPINQ(b),XB(F)
    • Try
      • R(E);
      • Threat
        • P(D)
      • Vars
        • S(h);OGATE::QAB(J)
      • Refutation
        • Q(b);P_PINS(C),P_SPINQ(b),XB(F)
    • Try
      • R(E);
      • Threat
        • P(D)
      • Vars
        • B(f);N_GUARD,P_PINS(C),P_SPINB(f),XB(F)::QAR2(J)
        • S(h);OGATE::QAB(J)
      • Refutation
        • Q(b);P_PINS(C),P_SPINQ(b),XB(F)
    • Try
      • R(E);
      • Threat
        • P(D)
      • Vars
        • B(f);N_GUARD,P_PINS(C),P_SPINB(f),XB(F)::QAR2(J)
        • S(h);OGATE::QAB(J)
      • Refutation
        • Q(b);P_PINS(C),P_SPINQ(b),XB(F)
    • Try
      • R(E);
      • Threat
        • P(D)
      • Vars
        • B(f);N_GUARD,P_PINS(C),P_SPINB(f),XB(F)::QAR2(J)
        • S(h);OGATE::QAB(J)
      • Refutation
        • Q(b);P_PINS(C),P_SPINQ(b),XB(F)
    • Try
      • R(E);
      • Threat
        • P(D)
      • Vars
        • B(f);N_GUARD,P_PINS(C),P_SPINB(f),XB(F)::QAR2(J)
        • S(h);OGATE::QAB(J)
      • Refutation
        • Q(b);P_PINS(C),P_SPINQ(b),XB(F)
    • Try
      • R(E);CHECK
      • Vars
        • B(f);XR(E)::P(D)
      • Refutation
        • P(d);XR(E)
    • Try
      • R(E);
      • Threat
        • P(D)
      • Vars
        • B(f);N_GUARD,P_PINS(C),P_SPINB(f),XB(F)::QAR2(J)
      • Refutation
        • Q(b);P_PINS(C),P_SPINQ(b),XB(F)
    • Try
      • R(E);
      • Threat
        • P(D)
      • Vars
        • B(f);N_GUARD,P_PINS(C),P_SPINB(f),XB(F)::QAR2(J)
      • Refutation
        • Q(b);P_PINS(C),P_SPINQ(b),XB(F)
  • Actual
    • R(E);
    • Threat
      • P(D)
    • Vars
      • Q(b);OGATE,P_PINS(C),P_SPINQ(b),XB(F)::R(E)
      • B(f);N_GUARD,P_PINS(C),P_SPINB(f),XB(F)::QAR2(J)
      • S(h);OGATE::QAB(J)
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