MESON Chess Problem Database

Problem Display
PID: 47045 (B1R5/B3Nr2/Kn1q4/1p3Q2/1P1kPP2/1R2b3/3PP3/1b1n4 w - - 0 1)

Dyachuk, Vasyl Vasilovich

The Problemist Supplement, 2003

B1R5/B3Nr2/Kn1q4/1p3Q2/1P1kPP2/1R2b3/3PP3/1b1n4

#2

12 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb4
      • 2.Rxb4#
      • 2.Qd5#
      • 2.Qe5#
    • 1...Qxf4
      • 2.Bxb6#
      • 2.Qc5#
      • 2.Qd5#
    • 1...Qc5
      • 2.Qxc5#
    • 1...Qe5
      • 2.Qxe5#
    • 1...Qc7
      • 2.Qd5#
    • 1...Qxe7
      • 2.Qd5#
    • 1...Qb8
      • 2.Qc5#
      • 2.Qd5#
    • 1...Qd5
      • 2.Qxd5#
    • 1...Qe6
      • 2.Qc5#
    • 1...Qf6
      • 2.Qc5#
      • 2.Qd5#
    • 1...Qg6
      • 2.Qc5#
      • 2.Qd5#
      • 2.Qe5#
    • 1...Qh6
      • 2.Qc5#
      • 2.Qd5#
      • 2.Qe5#
    • 1...Qd7
      • 2.Bxb6#
      • 2.Qxd7#
      • 2.Qc5#
      • 2.Qe5#
    • 1...Qd8
      • 2.Qc5#
      • 2.Qe5#
    • 1...Rxf5
      • 2.Sxf5#
    • 1...Ba2
      • 2.Rd3#
    • 1...Bd3
      • 2.Rxd3#
    • 1...Bxe4
      • 2.Qxe4#
    • 1...Sb2
      • 2.dxe3#
    • 1...Sf2
      • 2.dxe3#
    • 1...Sc3
      • 2.dxc3#
  • Tries
    • 1.Bxb6+?
      • 1...Qc5
        • 2.Qxc5#
        • 2.Qd5#
      • 1...Qxb6+!
    • 1.Qd7?
      • threat
        • 2.Bxb6#
        • 2.Qxd6#
      • 1...Qxd7
        • 2.Bxb6#
      • 1...Rxf4
        • 2.Qxd6#
      • 1...Bxe4
        • 2.Bxb6#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Rf5
        • 2.Sxf5#
      • 1...Rf6
        • 2.Bxb6#
      • 1...Sc3
        • 2.Bxb6#
        • 2.dxc3#
      • 1...Bxf4!
    • 1.Qxb5?
      • threat
        • 2.Rc4#
        • 2.Qc4#
      • 1...Qxb4
        • 2.Rxb4#
        • 2.Qxb4#
        • 2.Qd5#
        • 2.Qe5#
      • 1...Qxf4
        • 2.Bxb6#
        • 2.Rc4#
        • 2.Qc5#
        • 2.Qd5#
      • 1...Rxf4
        • 2.Rc4#
      • 1...Bxf4
        • 2.Rc4#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Qc5
        • 2.Qxc5#
      • 1...Qc7
        • 2.Qd5#
      • 1...Qe6
        • 2.Qc5#
      • 1...Bd3
        • 2.Rxd3#
        • 2.Qxd3#
      • 1...Sb2
        • 2.dxe3#
      • 1...Qc6!
  • Keys
    • 1.Kxb5!
      • threat
        • 2.Rc4#
      • 1...Qxb4+
        • 2.Rxb4#
      • 1...Qc5+
        • 2.Qxc5#
      • 1...Qe5+
        • 2.Qxe5#
      • 1...Qd5+
        • 2.Qxd5#
      • 1...Qc6+
        • 2.Sxc6#
      • 1...Qd7+
        • 2.Qxd7#
      • 1...Rxf5+
        • 2.Sxf5#
      • 1...Bd3+
        • 2.Rxd3#
      • 1...Sc3+
        • 2.dxc3#
      • 1...Qc7
        • 2.Qd5#
      • 1...Qe6
        • 2.Qc5#
      • 1...Sb2
        • 2.dxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • Q(g);N_GUARD,N_SPINS(f)::QAB1(G),XQ(g)
    • Q(g);N_GUARD::QAB1(G),XQ(g)
    • Q(g);N_GUARD::QAR1(G)
    • Q(g);N_GUARD,XS(J)::QAR1(G)
    • Q(g);N_GUARD::QAR1(G),XQ(g)
    • Q(g);N_GUARD::QAB1(G)
    • R(h);XQ(G)::S(J),XR(h)
    • B(a);N_GUARD::R1(C)
    • B(a);N_GUARD::R1(C),XB(a)
    • B(a);OGATE,XP(E)::QAR1(G),XB(a)
    • S(b);N_GUARD::P(A),XB(c)
    • S(b);OGATE::P(A),XS(b)
  • Tries
    • Try
      • B(I);CHECK,P_SPINB(I),XS(f)
      • Refutation
        • Q(g);CHECK,XB(I)
    • Try
      • Q(G);P_PINQ(g)
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);N_SPINQ(g),XQ(G)::B(I),XS(f)
        • R(h);XP(F)::QAR2(G),XQ(g)
        • B(a);XP(E)::B(I),XS(f)
        • Q(g);OGATE::QAR1(G),XQ(g)
        • R(h);N_GUARD::S(J),XR(h)
        • R(h);::B(I),XS(f)
      • Refutation
        • B(c);XP(F)
    • Try
      • Q(G);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(h);XP(F)::R1(L)
        • B(c);XP(F)::R1(L)
        • Q(g);N_GUARD::QAR1(G),XQ(g)
        • Q(g);N_GUARD,N_SPINS(f)::QAB1(G),XQ(g)
        • Q(g);N_GUARD::QAR1(G)
        • Q(g);N_GUARD::QAB1(G)
        • S(b);N_GUARD::P(A),XB(c)
      • Refutation
        • Q(g);
  • Actual
    • K(H);S_FLIGHT,XP(e)
    • Threat
      • R1(L)
    • Vars
      • Q(g);CHECK,OGATE,XP(D)::R(C),XQ(g)
      • Q(g);CHECK,N_GUARD,N_SPINS(f)::QAB1(G),XQ(g)
      • Q(g);CHECK,N_GUARD::QAB1(G),XQ(g)
      • Q(g);CHECK,N_GUARD::QAR1(G),XQ(g)
      • Q(g);CHECK,N_GUARD::S(J),XQ(g)
      • Q(g);CHECK,OGATEB::QAR(G),XQ(g)
      • R(h);CHECK,XQ(G)::S(J),XR(h)
      • B(a);CHECK,N_GUARD::R1(C),XB(a)
      • S(b);CHECK,OGATE::P(A),XS(b)
      • Q(g);N_GUARD::QAR1(G)
      • Q(g);N_GUARD::QAB1(G)
      • S(b);N_GUARD::P(A),XB(c)
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