MESON Chess Problem Database
Problem Display
PID: 23957 (3b1r2/K1N5/pQ3pB1/3Pkn2/4N1R1/3q4/5P2/8 w - - 0 1)
Veders, Visvaldis M
2nd HM., Wertheim MT, 1997
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Se3
- 2.f4#
- 1...Sg3
- 2.f4#
- 1...Sd4
- 2.Qd6#
- 2.f4#
- 1...Sh4
- 2.f4#
- 1...Sd6
- 2.f4#
- 1...Sh6
- 2.f4#
- 1...Se7
- 2.f4#
- 1...Sg7
- 2.f4#
- 1...Se3
- Tries
- 1.Sc5?
- threat
- 2.Sxd3#
- 2.Sd7#
- 2.Qe6#
- 1...Bxc7
- 2.Qe6#
- 1...Qe4
- 2.Sd7#
- 2.Rxe4#
- 1...Qe3
- 2.Sd7#
- 2.Qe6#
- 1...Qb1
- 2.Sd7#
- 2.Qe6#
- 1...Qf1
- 2.Sd7#
- 2.Re4#
- 2.Qe6#
- 1...Qc2
- 2.Sd7#
- 2.Qe6#
- 1...Qe2
- 2.Sd7#
- 2.Qe6#
- 1...Qc4
- 2.Sd7#
- 2.Qe6#
- 1...Qb5
- 2.Re4#
- 2.Qe6#
- 1...Qd1
- 2.Sd7#
- 2.Re4#
- 2.Qe6#
- 1...Qd2
- 2.Sd7#
- 2.Re4#
- 2.Qe6#
- 1...Qa3
- 2.Sd7#
- 2.Re4#
- 2.Qe6#
- 1...Qb3
- 2.Sd7#
- 2.Re4#
- 2.Qe6#
- 1...Qc3
- 2.Sd7#
- 2.Re4#
- 2.Qe6#
- 1...Qf3
- 2.Sd7#
- 2.Qe6#
- 1...Qg3
- 2.Sd7#
- 2.Re4#
- 2.Qe6#
- 1...Qh3
- 2.Sd7#
- 2.Re4#
- 2.Qe6#
- 1...Qd4
- 2.Sd7#
- 2.Qe6#
- 1...Rf7
- 2.Sxd3#
- 2.Qe6#
- 1...Re8
- 2.Sxd3#
- 2.Sd7#
- 1...Sd4
- 2.Sxd3#
- 2.Sd7#
- 2.f4#
- 1...Sd6
- 2.Sxd3#
- 2.Sd7#
- 1...Sg7
- 2.Sxd3#
- 2.Sd7#
- 1...Qxd5!
- threat
- 1.Sg5?
- threat
- 2.Qe6#
- 2.f4#
- 1...Qxd5
- 2.f4#
- 1...Bxc7
- 2.Qe6#
- 1...fxg5
- 2.Qe6#
- 1...Qf1
- 2.Sf3#
- 2.Re4#
- 2.Qe6#
- 1...Qc4
- 2.Sf3#
- 2.Qe6#
- 1...Qe4
- 2.Rxe4#
- 1...Qd2
- 2.Sf3#
- 2.Re4#
- 2.Qe6#
- 1...Qf3
- 2.Sxf3#
- 2.Qe6#
- 1...Qg3
- 2.Re4#
- 2.Qe6#
- 1...Qd4
- 2.Sf3#
- 1...Re8
- 2.Sf7#
- 2.f4#
- 1...Sd4
- 2.f4#
- 1...Sd6
- 2.f4#
- 1...Sg7
- 2.f4#
- 1...Qe3!
- threat
- 1.Sxf6?
- threat
- 2.Sd7#
- 2.Qe6#
- 2.f4#
- 1...Qxd5
- 2.f4#
- 1...Bxf6
- 2.Qe6#
- 1...Bxc7
- 2.Qe6#
- 2.f4#
- 1...Sd6
- 2.Sd7#
- 1...Qe3
- 2.Sd7#
- 1...Qf1
- 2.Sd7#
- 2.Re4#
- 2.Qe6#
- 1...Qc4
- 2.Sd7#
- 2.Qe6#
- 1...Qe4
- 2.Sd7#
- 2.Rxe4#
- 1...Qb5
- 2.Re4#
- 2.Qe6#
- 2.f4#
- 1...Qd2
- 2.Sd7#
- 2.Re4#
- 2.Qe6#
- 1...Qf3
- 2.Sd7#
- 2.Qe6#
- 1...Qg3
- 2.Sd7#
- 2.Re4#
- 2.Qe6#
- 1...Qd4
- 2.Sd7#
- 1...Rf7
- 2.Qe6#
- 2.f4#
- 1...Re8
- 2.Sd7#
- 2.f4#
- 1...Sd4
- 2.Sd7#
- 2.f4#
- 1...Sg7
- 2.Sd7#
- 2.f4#
- 1...Rxf6!
- threat
- 1.Sc5?
- Keys
- 1.Sd2!
- threat
- 2.Qe6#
- 2.f4#
- 1...Qxd2
- 2.Qe6#
- 1...Qxd5
- 2.f4#
- 1...Bxc7
- 2.Qe6#
- 1...Qf1
- 2.Sf3#
- 2.Re4#
- 2.Qe6#
- 1...Qc4
- 2.Sf3#
- 2.Sxc4#
- 2.Qe6#
- 1...Qe4
- 2.Rxe4#
- 1...Qe3
- 2.Sc4#
- 1...Qf3
- 2.Sxf3#
- 2.Sc4#
- 2.Qe6#
- 1...Qg3
- 2.Sc4#
- 2.Re4#
- 2.Qe6#
- 1...Qd4
- 2.Sf3#
- 1...Re8
- 2.f4#
- 1...Sd4
- 2.f4#
- 1...Sd6
- 2.f4#
- 1...Sg7
- 2.f4#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 5
- Sets
- S(c);::P(A)
- Tries
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- B(f);XS(H)::QAR1(E)
- Refutation
- Q(a);XP(D)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(D)::P(A)
- B(f);XS(H)::QAR1(E)
- P(e);XS(B)::QAR1(E)
- Q(a);N_GUARD::R1(C),XQ(a)
- Q(a);N_GUARD,P_PINQ(E)::S(B)
- S(c);::P(A)
- Refutation
- Q(a);P_PINQ(E)
- Try
- S(B);XP(e)
- Threat
- DUALS(3)
- Vars
- Q(a);XP(D)::P(A)
- B(f);XS(B)::QAR1(E)
- S(c);::S(B)
- Q(a);P_PINQ(E)::S(B)
- Refutation
- R(g);XS(B)
- Try
- Actual
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(a);XS(B)::QAR1(E)
- Q(a);XP(D)::P(A)
- B(f);XS(H)::QAR1(E)
- Q(a);N_GUARD::R1(C),XQ(a)
- Q(a);N_GUARD,P_PINQ(E)::S(B)
- R(g);::P(A)
- S(c);::P(A)
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