MESON Chess Problem Database
Problem Display
PID: 106740 (7B/KPn1N2Q/b2k4/1p1P4/1P1N2B1/n7/3R1p1b/2r4q w - - 0 1)
Markovtsy, Vassyl Yuriovich
1st HM., Subotica Internet Ty., 2009
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Qxd5
- 2.Sc8#
- 1...Sxd5
- 2.Sef5#
- 1...Qxd5
- Tries
- 1.Sc2?
- threat
- 2.Sf5#
- 2.Sc8#
- 1...Bxb7
- 2.Sf5#
- 1...Sxd5
- 2.b8Q#
- 2.b8B#
- 1...f1Q
- 2.Sc8#
- 1...f1R
- 2.Sc8#
- 1...Qf3
- 2.Sc8#
- 1...Qe4
- 2.Sc8#
- 1...Qxd5!
- threat
- 1.Sf3?
- threat
- 2.Sf5#
- 2.Sc8#
- 1...Qxf3
- 2.Sc8#
- 1...Bxb7
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Sa8
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...Sxd5!
- threat
- 1.Sec6?
- threat
- 2.Sf5#
- 2.Qd7#
- 1...Qxd5
- 2.Qd7#
- 2.Qe7#
- 1...Sxd5
- 2.Qd7#
- 1...f1Q
- 2.Qd7#
- 1...f1R
- 2.Qd7#
- 1...Qf3
- 2.Qd7#
- 1...Qe4
- 2.Qd7#
- 1...Se6
- 2.Sf5#
- 1...Kxd5!
- threat
- 1.Sg6?
- threat
- 2.Sf5#
- 2.Qd7#
- 1...Qxd5
- 2.Qd7#
- 2.Qe7#
- 1...Sxd5
- 2.Qd7#
- 1...f1Q
- 2.Qd7#
- 1...f1R
- 2.Qd7#
- 1...Qf3
- 2.Qd7#
- 1...Qe4
- 2.Qd7#
- 1...Se6
- 2.Sf5#
- 1...Kxd5!
- threat
- 1.Sg8?
- threat
- 2.Sf5#
- 2.Qd7#
- 1...Qxd5
- 2.Qd7#
- 2.Qe7#
- 1...Sxd5
- 2.Qd7#
- 1...f1Q
- 2.Qd7#
- 1...f1R
- 2.Qd7#
- 1...Qf3
- 2.Qd7#
- 1...Qe4
- 2.Qd7#
- 1...Se6
- 2.Sf5#
- 1...Kxd5!
- threat
- 1.Be6?
- threat
- 2.Sdf5#
- 2.Sef5#
- 2.Sc8#
- 1...Qxd5
- 2.Sc8#
- 1...Bxb7
- 2.Sdf5#
- 2.Sef5#
- 1...Sxd5
- 2.Sef5#
- 1...Sa8
- 2.Sef5#
- 1...Se8
- 2.Sef5#
- 1...f1Q
- 2.Sc8#
- 1...f1R
- 2.Sc8#
- 1...Qf3
- 2.Sc8#
- 1...Qe4
- 2.Sc8#
- 1...Sxe6!
- threat
- 1.Qf7?
- threat
- 2.Sef5#
- 2.Sc8#
- 1...Qxd5
- 2.Sc8#
- 1...Bxb7
- 2.Sef5#
- 1...Sxd5
- 2.Sef5#
- 1...Sa8
- 2.Sef5#
- 1...Se8
- 2.Sef5#
- 1...f1Q
- 2.Sc8#
- 1...f1R
- 2.Sc8#
- 1...Qf3
- 2.Sc8#
- 1...Qe4
- 2.Sc8#
- 1...Se6!
- threat
- 1.Sc2?
- Keys
- 1.Sdc6!
- threat
- 2.Sf5#
- 2.Sc8#
- 1...Qxd5
- 2.Qxh2#
- 1...Bxb7
- 2.Sf5#
- 1...Sxd5
- 2.b8Q#
- 2.b8B#
- 1...f1Q
- 2.Sc8#
- 1...f1R
- 2.Sc8#
- 1...Qf3
- 2.Sc8#
- 1...Qe4
- 2.Sc8#
- threat
- 1.Sdc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- Q(b);SBLOCK,XP(E)::S(H)
- S(i);SBLOCK,XP(E)::S(H)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(g);XP(G)::S(H)
- S(i);P_SPINS(i),XP(E)::P=Q
- P(c);::S(H)
- Q(b);::S(H)
- Refutation
- Q(b);P_SPINQ(b),XP(E)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(b);XS(C)::S(H)
- B(g);XP(G)::S(H)
- S(i);::S(H)
- Refutation
- S(i);P_SPINS(i),XP(E)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- S(i);SBLOCK,XP(E)::QAR1(I)
- P(c);::QAR1(I)
- Q(b);::QAR1(I)
- S(i);::S(C)
- Refutation
- K(h);P-FLIGHT,XP(E)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- S(i);SBLOCK,XP(E)::QAR1(I)
- P(c);::QAR1(I)
- Q(b);::QAR1(I)
- S(i);::S(C)
- Refutation
- K(h);P-FLIGHT,XP(E)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- S(i);SBLOCK,XP(E)::QAR1(I)
- P(c);::QAR1(I)
- Q(b);::QAR1(I)
- S(i);::S(C)
- Refutation
- K(h);P-FLIGHT,XP(E)
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- Q(b);XP(E)::S(H)
- S(i);XP(E)::S(H)
- S(i);::S(H)
- P(c);::S(H)
- Q(b);::S(H)
- Refutation
- S(i);XB(D)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- Q(b);XP(E)::S(H)
- B(g);XP(G)::S(H)
- S(i);XP(E)::S(H)
- S(i);::S(H)
- P(c);::S(H)
- Q(b);::S(H)
- Refutation
- S(i);
- Try
- Actual
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XP(E)::QAB(I),XB(d)
- B(g);XP(G)::S(H)
- S(i);P_SPINS(i),XP(E)::P=Q
- P(c);::S(H)
- Q(b);::S(H)
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