MESON Chess Problem Database

Problem Display
PID: 250041 (3N2b1/B5p1/rbRp1pN1/4P3/p1pkPQ2/q3pK2/1P1rB3/3R4 w - - 0 1)

Bogosh, Geza

Arbeiter Schachzeitung, 1927

3N2b1/B5p1/rbRp1pN1/4P3/p1pkPQ2/q3pK2/1P1rB3/3R4

#2

11 + 12

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb2
      • 2.Qxe3#
    • 1...Qb4
      • 2.Qxe3#
    • 1...Qc5
      • 2.Qxe3#
    • 1...Qa1
      • 2.Qxe3#
    • 1...Qa2
      • 2.Qxe3#
    • 1...Rd3
      • 2.Qxe3#
    • 1...Be6
      • 2.Sxe6#
    • 1...Bh7
      • 2.Se6#
      • 2.Rxc4#
    • 1...c3
      • 2.Qxe3#
  • Tries
    • 1.Bxb6+?
      • 1...Qc5
        • 2.Qxe3#
      • 1...Rxb6!
    • 1.Rxd2+?
      • 1...Qd3
        • 2.Qxe3#
      • 1...exd2+!
    • 1.Rxd6+?
      • 1...Qxd6
        • 2.Qxe3#
      • 1...Bd5
        • 2.Se6#
        • 2.Rxd5#
      • 1...Kc5!
  • Keys
    • 1.e6!
      • threat
        • 2.Rxc4#
      • 1...Bxe6
        • 2.Sxe6#
      • 1...Qb4
        • 2.Qxe3#
      • 1...Qc5
        • 2.Qxe3#
      • 1...Qa2
        • 2.Qxe3#
        • 2.Qxd6#
      • 1...Qb3
        • 2.Qxd6#
      • 1...Qc3
        • 2.Qxd6#
      • 1...Qd3
        • 2.Qxd6#
      • 1...Rd3
        • 2.Qxe3#
      • 1...Bc5
        • 2.Qxd6#
      • 1...c3
        • 2.Rc4#
        • 2.Qxe3#
      • 1...d5
        • 2.e5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • Q(b);N_GUARD,XP(B)::QAB1(F),XP(c)
    • Q(b);N_GUARD::QAB1(F),XP(c)
    • Q(b);N_GUARD,N_SPINB(h)::QAB1(F),XP(c)
    • R(a);S_CUTQ(b)::QAB1(F),XP(c)
    • B(l);N_GUARD::S(K),XB(l)
    • P(e);S_CUTQ(b)::QAB1(F),XP(c)
  • Tries
    • Try
      • B(J);CHECK,XB(h)
      • Vars
        • Q(b);P_SPINQ(b)::QAB1(F),XP(c)
      • Refutation
        • R(g);XB(J)
    • Try
      • R(A);CHECK,XR(a)
      • Vars
        • Q(b);P_SPINQ(b)::QAB1(F),XP(c)
      • Refutation
        • P(c);CHECK,XR(A)
    • Try
      • R(H);CHECK,XP(i)
      • Vars
        • Q(b);XR(H)::QAB1(F),XP(c)
      • Refutation
        • K(f);N_SPINR(a),S_FLIGHT
  • Actual
    • P(G);
    • Threat
      • R1(H),XP(e)
    • Vars
      • B(l);XP(G)::S(K),XB(l)
      • Q(b);N_GUARD::QAB1(F),XP(c)
      • Q(b);N_GUARD,N_SPINB(h)::QAB1(F),XP(c)
      • Q(b);N_GUARD::QAR2(F),XP(i)
      • Q(b);N_GUARD,N_SPINR(a)::QAR2(F),XP(i)
      • R(a);S_CUTQ(b)::QAB1(F),XP(c)
      • B(h);S_CUTQ(b)::QAR2(F),XP(i)
      • P(i);SBLOCK::QAR(F)+P(E)
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