MESON Chess Problem Database
Problem Display
PID: 27433 (5K1Q/4N3/3p2p1/2pN4/2p1kpBp/5n1R/1BP5/5r2 w - - 0 1)
Vleugels, Johan Hubert
7th HM., Probleemblad, 1990
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bxf3#
- 1...Rb1
- 2.Bxf3#
- 1...Rc1
- 2.Bxf3#
- 1...Rd1
- 2.Bxf3#
- 1...Re1
- 2.Bxf3#
- 1...Rg1
- 2.Bxf3#
- 1...Rh1
- 2.Bxf3#
- 1...Se1
- 2.Sc3#
- 2.Sf6#
- 1...Sg1
- 2.Sc3#
- 2.Sf6#
- 1...Sd2
- 2.Sc3#
- 2.Sf6#
- 1...Sh2
- 2.Sc3#
- 2.Sf6#
- 1...Sd4
- 2.Sc3#
- 1...Se5
- 2.Sf6#
- 1...Sg5
- 2.Sc3#
- 2.Sf6#
- 1...g5
- 2.Bf5#
- 2.Qh7#
- 1...Ra1
- Tries
- 1.Bc1?
- threat
- 2.Sc3#
- 1...Rxc1
- 2.Bxf3#
- 1...c3
- 2.Sxc3#
- 1...Se5!
- threat
- 1.Rxf3?
- threat
- 2.Sc3#
- 2.Sf6#
- 1...c3
- 2.Sxc3#
- 1...Rxf3!
- threat
- 1.Qe5+?
- 1...Sxe5
- 2.Sf6#
- 1...dxe5!
- 1...Sxe5
- 1.Qf6?
- threat
- 2.Qxf4#
- 2.Qxg6#
- 1...Se1
- 2.Sc3#
- 2.Qe6#
- 2.Qxg6#
- 1...Sg1
- 2.Sc3#
- 2.Qe6#
- 2.Qxg6#
- 1...Sd2
- 2.Sc3#
- 2.Qe6#
- 2.Qxg6#
- 1...Sh2
- 2.Sc3#
- 2.Qe6#
- 2.Qxg6#
- 1...Sd4
- 2.Sc3#
- 1...Sg5
- 2.Sc3#
- 2.Qxg6#
- 1...c3
- 2.Qxf4#
- 1...g5
- 2.Bf5#
- 2.Qf5#
- 2.Qg6#
- 1...Se5!
- threat
- 1.Qg7?
- threat
- 2.Qxg6#
- 1...Sd4
- 2.Sc3#
- 1...Se5
- 2.Sf6#
- 1...g5
- 2.Bf5#
- 2.Qg6#
- 2.Qh7#
- 1...c3!
- threat
- 1.Qh5?
- threat
- 2.Qxg6#
- 1...gxh5
- 2.Bf5#
- 1...Sd4
- 2.Sc3#
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...g5
- 2.Bf5#
- 2.Qg6#
- 2.Qh7#
- 1...c3!
- threat
- 1.Qh6?
- threat
- 2.Qxf4#
- 2.Qxg6#
- 1...c3
- 2.Qxf4#
- 1...Se1
- 2.Sf6#
- 2.Qxg6#
- 1...Sg1
- 2.Sf6#
- 2.Qxg6#
- 1...Sd2
- 2.Sf6#
- 2.Qxg6#
- 1...Sh2
- 2.Sf6#
- 2.Qxg6#
- 1...Se5
- 2.Sf6#
- 1...Sg5
- 2.Sf6#
- 2.Qxg6#
- 1...g5
- 2.Bf5#
- 2.Qg6#
- 2.Qh7#
- 1...Sd4!
- threat
- 1.Bc1?
- Keys
- 1.Bh5!
- threat
- 2.Bxg6#
- 1...gxh5
- 2.Qh7#
- 1...Rg1
- 2.Bxf3#
- 1...Sd4
- 2.Sc3#
- 1...Se5
- 2.Sf6#
- 1...g5
- 2.Bg6#
- 2.Qh7#
- threat
- 1.Bh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD::B(D),XS(b)
- S(b);::S(E)
- Tries
- Try
- B(A);
- Threat
- S(E)
- Vars
- R(a);N_GUARD,XB(A)::B(D),XS(b)
- P(c);::S(E),XP(c)
- Refutation
- S(b);
- Try
- R(C);XS(b)
- Threat
- DUALS(2)
- Vars
- P(c);::S(E),XP(c)
- Refutation
- R(a);XR(C)
- Try
- Q(H);CHECK
- Vars
- S(b);XQ(H)::S(E)
- Refutation
- P(h);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(b);::S(E)
- P(c);::QAR1(H),XP(e)
- Refutation
- S(b);
- Try
- Q(H);
- Threat
- QAB(H),XP(i)
- Vars
- S(b);::S(E)
- Refutation
- P(c);
- Try
- Q(H);
- Threat
- QAB(H),XP(i)
- Vars
- P(i);N_GUARD,XQ(H)::B(D)
- S(b);::S(E)
- Refutation
- P(c);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- P(c);::QAR1(H),XP(e)
- S(b);::S(E)
- Refutation
- S(b);
- Try
- Actual
- B(D);
- Threat
- B(D),XP(i)
- Vars
- P(i);OGATEB,XB(D)::QAB(H)
- R(a);N_GUARD::B(D),XS(b)
- S(b);::S(E)
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