MESON Chess Problem Database

Problem Display
PID: 104530 (Q4R2/2b1pb2/6n1/5Npr/4P1kp/3P2Np/3BP2P/1q1B2RK w - - 0 1)

Nesic, Milivoj S

Nacionalno prvenstvo, 2003-2006

Q4R2/2b1pb2/6n1/5Npr/4P1kp/3P2Np/3BP2P/1q1B2RK

#2

12 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qa2
      • 2.e3#
    • 1...Qxd3
      • 2.exd3#
    • 1...Qb2
      • 2.e3#
    • 1...Qb4
      • 2.e3#
    • 1...Qb5
      • 2.e3#
    • 1...Qb6
      • 2.e3#
    • 1...Qb7
      • 2.e3#
    • 1...Qb8
      • 2.e3#
    • 1...Rh6
      • 2.Sxh6#
    • 1...Ba5
      • 2.Sf1#
    • 1...Bd8
      • 2.Sf1#
    • 1...Ba2
      • 2.Se3#
    • 1...Bb3
      • 2.Se3#
    • 1...Bc4
      • 2.Se3#
    • 1...Bd5
      • 2.Se3#
    • 1...Be6
      • 2.Se3#
    • 1...Be8
      • 2.Se3#
    • 1...Bg8
      • 2.Se3#
    • 1...Sf4
      • 2.Se3#
    • 1...Se5
      • 2.Sf1#
    • 1...e5
      • 2.Sf1#
  • Tries
    • 1.Sxh5+?
      • 1...Kxh5
        • 2.Rxg5#
      • 1...Bg3!
  • Keys
    • 1.e5!
      • threat
        • 2.Qf3#
      • 1...Qb7+
        • 2.e4#
      • 1...Bd5+
        • 2.Se4#
      • 1...Qxd3
        • 2.exd3#
      • 1...Sxe5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 17
  • Sets
    • Q(a);N_GUARD::B(A)+P(E)
    • Q(a);OGATE,XP(G)::B(A)+P(E),XQ(a)
    • Q(a);N_GUARD,P_PINP(I)::B(A)+P(E)
    • R(f);N_GUARD::S(J),XR(f)
    • B(h);N_GUARD::R(B)+S(H)
    • B(j);::S(J)
    • B(j);P_PINP(I)::S(J)
    • S(g);SBLOCK::S(J)
    • S(g);S_CUTB(h)::R(B)+S(H)
    • P(i);S_CUTB(h)::R(B)+S(H)
  • Tries
    • Try
      • S(H);CHECK,XR(f)
      • Vars
        • K(c);OGATE,S_FLIGHT,XS(H)::R1(B),XP(e)
      • Refutation
        • B(h);P_SPINB(h)
  • Actual
    • P(I);
    • Threat
      • QAB1(K)
    • Vars
      • Q(a);CHECK,N_GUARD::B(A)+P(E)
      • B(j);CHECK::R(B)+S(H)
      • Q(a);OGATE,XP(G)::B(A)+P(E),XQ(a)
      • S(g);N_GUARD,XP(I)::QAR2(K)
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