MESON Chess Problem Database

Problem Display
PID: 153360 (3N2r1/3br1p1/3ppp1P/Rn1pk2N/4P1B1/1KP5/1B6/b3Q3 w - - 0 1)

Markovtsy, Vassyl Yuriovich

3rd HM., Odessa, 2004

3N2r1/3br1p1/3ppp1P/Rn1pk2N/4P1B1/1KP5/1B6/b3Q3

#2

10 + 11

15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rf7
      • 2.Sxf7#
    • 1...Ree8
      • 2.Sf7#
    • 1...Bc6
      • 2.Sxc6#
    • 1...Bc8
      • 2.Sc6#
    • 1...Sa3
      • 2.exd5#
    • 1...Sd4+
      • 2.cxd4#
    • 1...Sa7
      • 2.exd5#
    • 1...Sc7
      • 2.exd5#
    • 1...d4
      • 2.cxd4#
    • 1...f5
      • 2.exf5#
  • Tries
    • 1.Bf3?
      • threat
        • 2.Qg3#
      • 1...Sd4+
        • 2.cxd4#
      • 1...Sxc3
        • 2.Qxc3#
      • 1...dxe4
        • 2.Qxe4#
      • 1...f5
        • 2.exd5#
      • 1...gxh6!
    • 1.Ra4?
      • threat
        • 2.Qg3#
      • 1...Sd4+
        • 2.cxd4#
      • 1...dxe4
        • 2.Qxe4#
      • 1...f5
        • 2.exf5#
      • 1...d4!
    • 1.Qe3?
      • threat
        • 2.Qf4#
      • 1...Sd4+
        • 2.Qxd4#
        • 2.cxd4#
      • 1...Sxc3
        • 2.exd5#
      • 1...dxe4
        • 2.Qd4#
      • 1...g5!
  • Keys
    • 1.Bxe6!
      • threat
        • 2.exd5#
      • 1...Sd4+
        • 2.cxd4#
      • 1...Rxe6
        • 2.Sf7#
      • 1...Bxe6
        • 2.Sc6#
      • 1...Sxc3
        • 2.Rxd5#
      • 1...dxe4
        • 2.Qg3#
      • 1...d4
        • 2.cxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • R(i);N_GUARD::S(J),XR(i)
    • R(i);N_GUARD::S(J)
    • B(h);N_GUARD::S(J),XB(h)
    • B(h);N_GUARD::S(J)
    • S(b);P_SPINP(c)::QAR(A)+P(E),XP(c)
    • S(b);CHECK,OGATE,P_SPINP(c)::P(D),XS(b)
    • P(c);OGATE,P_SPINS(b)::P(D),XP(c)
    • P(g);OGATE::QAR(A)+P(E),XP(g)
  • Tries
    • Try
      • B(F);
      • Threat
        • QAB(A)
      • Vars
        • S(b);CHECK,OGATE,P_SPINP(c)::P(D),XS(b)
        • S(b);OGATE,P_SPINP(c),P_SPINS(b),XP(D)::QAB(A),XS(b)
        • P(c);OGATE,P_SPINP(c),P_SPINS(b),XP(E)::QAR1(A),XP(c)
        • P(g);SBLOCK::QAR(A)+P(E),XP(c)
      • Refutation
        • P(j);XP(I)
    • Try
      • R(G);
      • Threat
        • QAB(A)
      • Vars
        • S(b);CHECK,OGATE::P(D),XS(b)
        • P(c);OGATE,P_SPINP(c),XP(E)::QAR1(A),XP(c)
        • P(g);OGATE::QAR(A)+P(E),XP(g)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • S(b);P_SPINP(c),P_SPINS(b),XP(D)::QAR(A)+P(E),XP(c)
        • P(c);P_SPINP(c),P_SPINS(b),XP(E)::QAB1(A)
      • Refutation
        • P(j);
  • Actual
    • B(F);XP(f)
    • Threat
      • QAR(A)+P(E),XP(c)
    • Vars
      • S(b);CHECK,OGATE,P_SPINP(c)::P(D),XS(b)
      • R(i);N_GUARD,SBLOCK,XB(F)::S(J)
      • B(h);N_GUARD,SBLOCK,XB(F)::S(J)
      • S(b);OGATE,P_SPINP(c),P_SPINS(b),XP(D)::R1(G),XP(c)
      • P(c);P_SPINP(c),P_SPINS(b),SBLOCK,XP(E)::QAB(A)
      • P(c);OGATE,P_SPINS(b)::P(D),XP(c)
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