MESON Chess Problem Database

Problem Display
PID: 207795 (3BR3/3RQ2b/n5n1/4q3/6PP/5K1B/1N1p4/4k3 w - - 0 1)

Morice, Jean

Onkoud, Abdelaziz

Phenix, 1996

3BR3/3RQ2b/n5n1/4q3/6PP/5K1B/1N1p4/4k3

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qe2+
      • 2.Qxe2#
    • 1...Qe3+
      • 2.Qxe3#
    • 1...Qe4+
      • 2.Qxe4#
    • 1...Sxh4+
      • 2.Qxh4#
    • 1...d1Q+
      • 2.Rxd1#
    • 1...d1S
      • 2.Rxd1#
    • 1...d1B+
      • 2.Rxd1#
    • 1...d1R
      • 2.Rxd1#
  • Tries
    • 1.Ba5?
      • threat
        • 2.Bxd2#
      • 1...Qe2+
        • 2.Qxe2#
      • 1...Qe3+
        • 2.Qxe3#
      • 1...Qe4+
        • 2.Qxe4#
      • 1...Sxh4+
        • 2.Qxh4#
      • 1...Sb4!
    • 1.Bb6?
      • threat
        • 2.Bf2#
      • 1...Qe2+
        • 2.Qxe2#
      • 1...Qe3+
        • 2.Qxe3#
      • 1...Qe4+
        • 2.Qxe4#
      • 1...Sxh4+
        • 2.Qxh4#
      • 1...d1Q+
        • 2.Rxd1#
      • 1...d1B+
        • 2.Rxd1#
      • 1...d1S
        • 2.Rxd1#
      • 1...Sc5!
    • 1.Qb4?
      • threat
        • 2.Qxd2#
      • 1...Qe2+
        • 2.Rxe2#
      • 1...Qe3+
        • 2.Rxe3#
      • 1...Qe4+
        • 2.Rxe4#
        • 2.Qxe4#
      • 1...Sxh4+
        • 2.Bxh4#
      • 1...Sxb4!
    • 1.Qc5?
      • threat
        • 2.Qg1#
        • 2.Qf2#
      • 1...Qe2+
        • 2.Rxe2#
      • 1...Qe3+
        • 2.Rxe3#
        • 2.Qxe3#
      • 1...Qe4+
        • 2.Rxe4#
      • 1...Sxh4+
        • 2.Bxh4#
      • 1...d1Q+
        • 2.Rxd1#
      • 1...d1B+
        • 2.Rxd1#
      • 1...d1S
        • 2.Rxd1#
        • 2.Qg1#
      • 1...Sxc5!
    • 1.Qg5?
      • threat
        • 2.Qxd2#
      • 1...Qe2+
        • 2.Rxe2#
      • 1...Qe3+
        • 2.Rxe3#
        • 2.Qxe3#
      • 1...Qe4+
        • 2.Rxe4#
      • 1...Sxh4+
        • 2.Qxh4#
      • 1...d1Q+
        • 2.Rxd1#
      • 1...d1B+
        • 2.Rxd1#
      • 1...d1S
        • 2.Sd3#
        • 2.Rxd1#
        • 2.Qd2#
      • 1...d1R
        • 2.Rxd1#
      • 1...Sf4!
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qxd2#
      • 1...Qe2+
        • 2.Rxe2#
      • 1...Qe3+
        • 2.Rxe3#
      • 1...Qe4+
        • 2.Rxe4#
      • 1...Sxh4+
        • 2.Bxh4#
      • 1...d1Q+
        • 2.Qxd1#
      • 1...d1B+
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
        • 2.Qd2#
      • 1...d1R
        • 2.Qxd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 7
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • Q(c);CHECK,OGATE::QAR1(G),XQ(c)
    • Q(c);CHECK,OGATE::QAR2(G),XQ(c)
    • Q(c);CHECK,OGATE::QAR(G),XQ(c)
    • S(e);CHECK,OGATE,XP(E)::QAB(G),XS(e)
    • P(b);CHECK,OGATE::R1(F),XQ(b)
    • P(b);OGATE::R1(F),XS(b)
    • P(b);CHECK,OGATE::R1(F),XB(b)
    • P(b);OGATE::R1(F),XR(b)
  • Tries
    • Try
      • B(H);P_PINP(b)
      • Threat
        • B(H),XP(b)
      • Vars
        • Q(c);CHECK,OGATE::QAR1(G),XQ(c)
        • Q(c);CHECK,OGATE::QAR2(G),XQ(c)
        • Q(c);CHECK,OGATE::QAR(G),XQ(c)
        • S(e);CHECK,OGATE,XP(E)::QAB(G),XS(e)
      • Refutation
        • S(d);N_SPINP(b)
    • Try
      • B(H);
      • Threat
        • B(H)
      • Vars
        • Q(c);CHECK,OGATE::QAR1(G),XQ(c)
        • Q(c);CHECK,OGATE::QAR2(G),XQ(c)
        • Q(c);CHECK,OGATE::QAR(G),XQ(c)
        • S(e);CHECK,OGATE,XP(E)::QAB(G),XS(e)
        • P(b);CHECK,OGATE::R1(F),XQ(b)
        • P(b);CHECK,OGATE::R1(F),XB(b)
        • P(b);OGATE::R1(F),XS(b)
      • Refutation
        • S(d);
    • Try
      • Q(G);P_PINP(b)
      • Threat
        • QAB1(G),XP(b)
      • Vars
        • Q(c);CHECK,OGATE::R1(I),XQ(c)
        • Q(c);CHECK,OGATE::R(I),XQ(c)
        • S(e);CHECK,OGATE,XP(E)::B(H),XS(e)
      • Refutation
        • S(d);N_SPINP(b),XQ(G)
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);CHECK,OGATE::R1(I),XQ(c)
        • Q(c);CHECK,OGATE::R(I),XQ(c)
        • S(e);CHECK,OGATE,XP(E)::B(H),XS(e)
        • P(b);CHECK,OGATE::R1(F),XQ(b)
        • P(b);CHECK,OGATE::R1(F),XB(b)
      • Refutation
        • S(d);XQ(G)
    • Try
      • Q(G);
      • Threat
        • QAB1(G),XP(b)
      • Vars
        • Q(c);CHECK,OGATE::R1(I),XQ(c)
        • Q(c);CHECK,OGATE::R(I),XQ(c)
        • S(e);CHECK,OGATE,XP(E)::QAB(G),XS(e)
        • P(b);CHECK,OGATE::R1(F),XQ(b)
        • P(b);CHECK,OGATE::R1(F),XB(b)
        • P(b);OGATE::R1(F),XR(b)
      • Refutation
        • S(e);
  • Actual
    • Q(G);
    • Threat
      • QAB1(G),XP(b)
    • Vars
      • Q(c);CHECK,OGATE::R1(I),XQ(c)
      • Q(c);CHECK,OGATE::R(I),XQ(c)
      • S(e);CHECK,OGATE,XP(E)::B(H),XS(e)
      • P(b);CHECK,OGATE::QAR1(G),XQ(b)
      • P(b);CHECK,OGATE::QAR1(G),XB(b)
      • P(b);OGATE::QAR1(G),XR(b)
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