MESON Chess Problem Database

Problem Display
PID: 64583 (8/4p3/K3Q3/pBpRP3/5k1P/2N5/2qn1PPb/2NbB3 w - - 0 1)

Mladenovic, Miodrag

1st Prize, BCPS U-21 Ty., 1981

8/4p3/K3Q3/pBpRP3/5k1P/2N5/2qn1PPb/2NbB3

#2

11 + 8

3752 FIDE Album (1980-1982) 1988
721 Variantim 1991

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Bxd2#
    • 1...Qb3
      • 2.Sd3#
      • 2.Bxd2#
    • 1...Qd3
      • 2.Sxd3#
    • 1...Qa4
      • 2.Sd3#
      • 2.Bxd2#
    • 1...Qg6
      • 2.Bxd2#
    • 1...Qh7
      • 2.Bxd2#
    • 1...Qa2
      • 2.Sd3#
    • 1...Qb2
      • 2.Sd3#
    • 1...Be2
      • 2.S1xe2#
  • Tries
    • 1.Be2?
      • threat
        • 2.Qg4#
      • 1...Qd3+
        • 2.Sxd3#
      • 1...Bxe2+
        • 2.S1xe2#
      • 1...Qf5
        • 2.Bxd2#
      • 1...Qg6
        • 2.Bxd2#
      • 1...Sf3!
    • 1.Bd3?
      • threat
        • 2.Qf5#
      • 1...Qxd3+
        • 2.Sxd3#
      • 1...Bg4
        • 2.Qh6#
      • 1...Se4!
    • 1.Rd4+?
      • 1...Qe4
        • 2.Sd3#
        • 2.Sd5#
        • 2.Bxd2#
      • 1...Se4
        • 2.Sd5#
      • 1...cxd4!
    • 1.Qh6+?
      • 1...Kg4
        • 2.Qg5#
      • 1...Kf5!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Qh6#
      • 1...Qd3+
        • 2.Sxd3#
      • 1...Be2+
        • 2.S1xe2#
      • 1...Qxc3
        • 2.Qf5#
      • 1...Qf5
        • 2.Qxf5#
      • 1...Qg6
        • 2.Bxd2#
      • 1...Qh7
        • 2.Bxd2#
      • 1...Sf3
        • 2.Qg4#
      • 1...Se4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • Q(b);N_GUARD::B(B),XS(c)
    • Q(b);N_GUARD,P_PINB(G)::S(A),XQ(b)
    • Q(b);N_GUARD,P_PINQ(K)::B(B),XS(c)
    • Q(b);N_GUARD::S(A)
    • B(a);N_GUARD,P_PINB(G)::S(A),XB(a)
  • Tries
    • Try
      • B(G);
      • Threat
        • QAR1(K)
      • Vars
        • Q(b);CHECK,N_GUARD::S(A),XQ(b)
        • B(a);CHECK,XB(G)::S(A),XB(a)
        • Q(b);N_GUARD::B(B),XS(c)
        • Q(b);N_GUARD,P_PINQ(K)::B(B),XS(c)
      • Refutation
        • S(c);
    • Try
      • B(G);
      • Threat
        • QAR1(K)
      • Vars
        • Q(b);CHECK,XB(G)::S(A),XQ(b)
        • B(a);SBLOCK::QAB(K)
      • Refutation
        • S(c);
    • Try
      • R(H);CHECK
      • Vars
        • S(c);P_SPINS(c)::S(E)
      • Refutation
        • P(g);XR(H)
    • Try
      • Q(K);CHECK
      • Vars
        • K(e);P-FLIGHT::QAR1(K)
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • B(G);
    • Threat
      • QAB(K)
    • Vars
      • Q(b);CHECK,N_GUARD::S(A),XQ(b)
      • B(a);CHECK,N_GUARD::S(A),XB(a)
      • Q(b);N_GUARD,XS(E)::QAR1(K)
      • Q(b);N_GUARD::QAR1(K),XQ(b)
      • Q(b);N_GUARD,P_PINQ(K)::B(B),XS(c)
      • Q(b);N_GUARD::B(B),XS(c)
      • S(c);S_CUTB(a)::QAR1(K)
      • S(c);S_CUTQ(b)::QAR1(K)
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