MESON Chess Problem Database

Problem Display
PID: 56806 (7Q/4R3/5ppq/6p1/Rr2nkP1/7P/4BPK1/bbr1N1N1 w - - 0 1)

Pape, Edouard

3rd Prize, Good Companions (November), 1922

7Q/4R3/5ppq/6p1/Rr2nkP1/7P/4BPK1/bbr1N1N1

#2

10 + 10

797 Bulletin de la FFE 1925

SOLUTION

  • SOUND
  • Sets
    • 1...Qxh3+
      • 2.Sxh3#
    • 1...Rc2
      • 2.Sd3#
    • 1...Rb2
      • 2.Qxf6#
    • 1...Ba2
      • 2.Sd3#
    • 1...Bd3
      • 2.Sxd3#
    • 1...Sc3
      • 2.Qb8#
    • 1...Sg3
      • 2.fxg3#
  • Tries
    • 1.Kh2?
      • threat
        • 2.Sg2#
      • 1...Qxh3+
        • 2.Sxh3#
      • 1...Rxe1!
    • 1.Bf3?
      • threat
        • 2.Se2#
      • 1...Qxh3+
        • 2.Sxh3#
      • 1...Rc2
        • 2.Sd3#
      • 1...Rb2
        • 2.Qxf6#
      • 1...Bd3
        • 2.Sxd3#
      • 1...Sc3
        • 2.Qb8#
      • 1...Sg3
        • 2.fxg3#
      • 1...Rxe1!
  • Keys
    • 1.Bd1!
      • threat
        • 2.Se2#
      • 1...Qxh3+
        • 2.Sxh3#
      • 1...Rc2
        • 2.Sd3#
      • 1...Rb2
        • 2.Qxf6#
      • 1...Bd3
        • 2.Sxd3#
      • 1...Sc3
        • 2.Qb8#
      • 1...Sg3
        • 2.fxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • Q(j);CHECK,XP(F)::S(B),XQ(j)
    • R(c);S_CUTB(b)::S(A)
    • R(d);P_SPINS(e),S_CUTB(a)::QAR2(J),XP(h)
    • B(b);N_GUARD::S(A)
    • B(b);N_GUARD::S(A),XB(b)
    • S(e);N_GUARD,P_SPINR(d),S_CUTB(a),S_CUTR(c)::QAB(J)
    • S(e);OGATE,P_SPINR(d)::P(D),XS(e)
  • Tries
    • Try
      • K(E);P-FLIGHT,P_SPINP(F)
      • Threat
        • S(A)
      • Vars
        • Q(j);CHECK,XP(F)::S(B),XQ(j)
      • Refutation
        • R(c);XS(A)
    • Try
      • B(C);
      • Threat
        • S(B)
      • Vars
        • Q(j);CHECK,XP(F)::S(B),XQ(j)
        • R(c);P_PINP(D),S_CUTB(b)::S(A)
        • R(d);P_PINP(D),P_SPINS(e),S_CUTB(a)::QAR2(J),XP(h)
        • B(b);N_GUARD::S(A),XB(b)
        • S(e);N_GUARD,P_SPINR(d),S_CUTB(a),S_CUTR(c)::QAB(J)
        • S(e);OGATE,P_SPINR(d)::P(D),XS(e)
      • Refutation
        • R(c);XS(A)
  • Actual
    • B(C);
    • Threat
      • S(B)
    • Vars
      • Q(j);CHECK,XP(F)::S(B),XQ(j)
      • R(c);P_PINP(D),S_CUTB(b)::S(A)
      • R(d);P_PINP(D),P_SPINS(e),S_CUTB(a)::QAR2(J),XP(h)
      • B(b);N_GUARD::S(A),XB(b)
      • S(e);N_GUARD,P_SPINR(d),S_CUTB(a),S_CUTR(c)::QAB(J)
      • S(e);OGATE,P_SPINR(d)::P(D),XS(e)
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