MESON Chess Problem Database
Problem Display
PID: 55771 (8/5BQ1/3P1p2/2p2R1b/3k2n1/np3Pp1/1P2K3/4N3 w - - 0 1)
de Haas, Bastian Evert
3rd HM., d2-d4, 2001-2002
#2
8 + 8
| 102 | Probleemblad | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Bxf7
- 2.Qxg4#
- 1...Sc4
- 2.Rd5#
- 1...Sf2
- 2.Qxf6#
- 1...Sh2
- 2.Qxf6#
- 1...Se3
- 2.Qxf6#
- 1...Se5
- 2.Rf4#
- 1...Sh6
- 2.Qxf6#
- 1...c4
- 2.Rd5#
- 1...Bxf7
- Tries
- 1.Sd3?
- threat
- 2.Rf4#
- 1...Bxf7
- 2.Qxg4#
- 1...Sf2
- 2.Qxf6#
- 1...Bg6!
- threat
- 1.Rxh5?
- threat
- 2.Qxg4#
- 1...Sf2
- 2.Qxf6#
- 1...Sh2
- 2.Qxf6#
- 1...Se3
- 2.Qxf6#
- 1...Sh6
- 2.Qxf6#
- 1...Se5!
- threat
- 1.Qxf6+?
- 1...Se5
- 2.Rf4#
- 2.Qxe5#
- 1...Sxf6!
- 1...Se5
- 1.Qh6?
- threat
- 2.Qd2#
- 2.Qf4#
- 1...Bxf7
- 2.Qf4#
- 1...Sb1
- 2.Qf4#
- 1...Sc4
- 2.Rd5#
- 2.Qf4#
- 1...Sf2
- 2.Qe3#
- 2.Qxf6#
- 1...Se3
- 2.Qxe3#
- 2.Qf4#
- 2.Qxf6#
- 1...Se5
- 2.Rf4#
- 2.Qe3#
- 2.Qf4#
- 1...Sxh6!
- threat
- 1.Qg5?
- threat
- 2.Rf4#
- 2.Qd2#
- 2.Qf4#
- 1...Bxf7
- 2.Rf4#
- 2.Qf4#
- 2.Qxg4#
- 1...Bg6
- 2.Qd2#
- 2.Qf4#
- 2.Qxg4#
- 1...Sb1
- 2.Rf4#
- 2.Qf4#
- 1...Sc4
- 2.Rf4#
- 2.Rd5#
- 2.Qf4#
- 1...Sf2
- 2.Qe3#
- 2.Qxf6#
- 1...Se3
- 2.Rf4#
- 2.Qxe3#
- 2.Qf4#
- 2.Qxf6#
- 1...Se5
- 2.Rf4#
- 2.Qe3#
- 2.Qf4#
- 1...fxg5!
- threat
- 1.d7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Bxf7
- 2.Qxg4#
- 1...Bg6
- 2.d8Q#
- 2.d8R#
- 1...Sb1
- 2.d8Q#
- 2.d8R#
- 1...Sc2
- 2.d8Q#
- 2.d8R#
- 1...Sc4
- 2.Rd5#
- 1...Sf2
- 2.Qxf6#
- 2.d8Q#
- 2.d8R#
- 1...Sh2
- 2.Qxf6#
- 2.d8Q#
- 2.d8R#
- 1...Se3
- 2.Qxf6#
- 1...Se5
- 2.Rf4#
- 1...Sh6
- 2.Qxf6#
- 2.d8Q#
- 2.d8R#
- 1...g2
- 2.d8Q#
- 2.d8R#
- 1...c4
- 2.Rd5#
- 2.d8Q#
- 2.d8R#
- 1...Sb5!
- threat
- 1.Sd3?
- Keys
- 1.Bxb3!
- threat
- 2.Rd5#
- 1...Bf7
- 2.Qxg4#
- 1...Sc4
- 2.Sc2#
- 1...Se3
- 2.Qxf6#
- 1...Se5
- 2.Rf4#
- 1...c4
- 2.Qa7#
- threat
- 1.Bxb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- B(g);N_GUARD,XB(G)::QAR(H),XS(e)
- S(a);SBLOCK::R1(E)
- S(e);N_GUARD,P_PINP(D)::QAB(H),XP(h)
- S(e);N_SPINP(h),P_PINP(D),SBLOCK::R(E)
- P(f);SBLOCK::R1(E)
- Tries
- Try
- S(A);
- Threat
- R(E)
- Vars
- B(g);N_GUARD,XB(G)::QAR(H),XS(e)
- S(e);N_GUARD,P_PINP(D)::QAB(H),XP(h)
- Refutation
- B(g);
- Try
- R(E);XB(g)
- Threat
- QAR(H),XS(e)
- Vars
- S(e);N_GUARD::QAB(H),XP(h)
- Refutation
- S(e);N_SPINP(h)
- Try
- Q(H);CHECK,XP(h)
- Refutation
- S(e);P_PINP(D),XQ(H)
- Try
- Q(H);N_PINP(h)
- Threat
- DUALS(2)
- Vars
- B(g);XB(G)::QAR2(H)
- S(a);::QAR2(H)
- Refutation
- S(e);P_PINP(D),XQ(H)
- Try
- Q(H);N_PINP(h)
- Threat
- DUALS(3)
- Refutation
- P(h);XQ(H)
- Try
- P(F);
- Threat
- P=Q
- Vars
- B(g);N_GUARD,XB(G)::QAR(H),XS(e)
- B(g);::P=Q
- S(a);::P=Q
- S(a);SBLOCK::R1(E)
- S(e);N_GUARD,P_PINP(D)::QAB(H),XP(h)
- S(e);N_SPINP(h),P_PINP(D),SBLOCK::R(E)
- P(c);::P=Q
- Refutation
- S(a);
- Try
- Actual
- B(G);XP(b)
- Threat
- R1(E)
- Vars
- B(g);N_GUARD::QAR(H),XS(e)
- S(a);N_GUARD::S(A)
- S(e);N_GUARD,P_PINP(D)::QAB(H),XP(h)
- S(e);N_SPINP(h),P_PINP(D),SBLOCK::R(E)
- P(f);OGATEB::QAB(H)
Developed and maintained by Brian Stephenson.
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