MESON Chess Problem Database
Problem Display
PID: 174839 (8/K1RP2q1/4pP1B/4Nn2/1Npk2p1/1b3Pp1/1b6/4Q3 w - - 0 1)
Barth, Michael
1st Comm., BCPS U-21 Ty., 1991
#2
9 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bc3
- 2.Qe4#
- 1...Bd1
- 2.Rxc4#
- 1...Bc2
- 2.Rxc4#
- 1...Ba4
- 2.Rxc4#
- 1...Se3
- 2.Qxe3#
- 1...Sh4
- 2.Qe3#
- 1...Sd6
- 2.Qe3#
- 1...Se7
- 2.Qe3#
- 1...c3
- 2.Qe4#
- 1...gxf3
- 2.Sxf3#
- 1...Bc3
- Tries
- 1.Kb6?
- threat
- 2.Sec6#
- 1...Ba4
- 2.Rxc4#
- 1...Se7
- 2.Qe3#
- 1...c3
- 2.Qe4#
- 1...Qxd7!
- threat
- 1.Sed3?
- threat
- 2.Qe5#
- 1...cxd3
- 2.Qe4#
- 1...Se3
- 2.Bxe3#
- 1...e5
- 2.Qxe5#
- 1...Qxf6!
- threat
- 1.Sxc4?
- threat
- 2.Qd2#
- 2.Qe5#
- 1...Qxf6
- 2.Qd2#
- 1...Qxh6
- 2.Qe5#
- 1...gxf3
- 2.Qe5#
- 1...Qg5
- 2.Qe5#
- 1...Bc1
- 2.Qe5#
- 1...Bc3
- 2.Qe4#
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Se3
- 2.Bxe3#
- 2.Qd2#
- 2.Qxe3#
- 1...e5
- 2.Qd2#
- 2.Qxe5#
- 1...Bxc4!
- threat
- 1.Sxg4?
- threat
- 2.Qd2#
- 2.Qe5#
- 1...Qxf6
- 2.Qd2#
- 1...Qxh6
- 2.Qe5#
- 1...Qg5
- 2.Qe5#
- 1...Bc1
- 2.Qe5#
- 1...Bc3
- 2.Qe4#
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Se3
- 2.Bxe3#
- 2.Qd2#
- 2.Qxe3#
- 1...c3
- 2.Qe4#
- 2.Qe5#
- 1...e5
- 2.Qd2#
- 2.Qxe5#
- 1...Qxg4!
- threat
- 1.Sg6?
- threat
- 2.Qd2#
- 2.Qe5#
- 1...Qxf6
- 2.Qd2#
- 1...Qxh6
- 2.Qe5#
- 1...gxf3
- 2.Qe5#
- 1...Bc1
- 2.Qe5#
- 1...Bc3
- 2.Qe4#
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Se3
- 2.Bxe3#
- 2.Qd2#
- 2.Qxe3#
- 1...c3
- 2.Qe4#
- 2.Qe5#
- 1...e5
- 2.Qd2#
- 2.Qxe5#
- 1...Qxg6!
- threat
- 1.Sf7?
- threat
- 2.Qd2#
- 2.Qe5#
- 1...Qxf6
- 2.Qd2#
- 1...Qxh6
- 2.Qe5#
- 1...gxf3
- 2.Qe5#
- 1...Qg5
- 2.Qe5#
- 1...Bc1
- 2.Qe5#
- 1...Bc3
- 2.Qe4#
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Se3
- 2.Bxe3#
- 2.Qd2#
- 2.Qxe3#
- 1...c3
- 2.Qe4#
- 2.Qe5#
- 1...e5
- 2.Qd2#
- 2.Qxe5#
- 1...Qxf7!
- threat
- 1.Bf4?
- threat
- 2.Qd2#
- 1...gxf3
- 2.Sxf3#
- 1...Bc3
- 2.Qe4#
- 1...Bc2
- 2.Rxc4#
- 1...c3
- 2.Qe4#
- 1...Bc1!
- threat
- 1.fxg4?
- threat
- 2.Sf3#
- 1...Se3
- 2.Qxe3#
- 1...Bd1
- 2.Rxc4#
- 1...Sh4
- 2.Qe3#
- 1...Qxg4!
- threat
- 1.d8Q+?
- 1...Sd6
- 2.Qe3#
- 2.Qxd6#
- 1...Qd7!
- 1...Sd6
- 1.d8R+?
- 1...Sd6
- 2.Rxd6#
- 2.Qe3#
- 1...Qd7!
- 1...Sd6
- 1.Kb6?
- Keys
- 1.Bd2!
- threat
- 2.Qe4#
- 1...gxf3
- 2.Sxf3#
- 1...Se3
- 2.Qxe3#
- 1...Bc2
- 2.Rxc4#
- 1...Sd6
- 2.Qe3#
- threat
- 1.Bd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- B(a);SBLOCK::QAR1(A)
- B(b);N_GUARD::R1(H),XP(d)
- S(g);N_GUARD::QAB1(A),XS(g)
- S(g);N_GUARD::QAB1(A)
- P(d);::QAR1(A)
- P(f);XP(B)::S(D),XP(f)
- Tries
- Try
- K(G);S_FLIGHT
- Threat
- S(D)
- Vars
- B(b);N_GUARD::R1(H),XP(d)
- S(g);N_GUARD::QAB1(A)
- P(d);::QAR1(A)
- Refutation
- Q(i);XP(I)
- Try
- S(D);
- Threat
- QAB1(A)
- Vars
- P(d);XS(D)::QAR1(A)
- S(g);N_GUARD::B(F),XS(g)
- P(h);::QAB1(A),XP(h)
- Refutation
- Q(i);XP(E)
- Try
- S(D);XP(d)
- Threat
- DUALS(2)
- Vars
- Q(i);XP(E)::QAR2(A)
- Q(i);XB(F)::QAB1(A)
- P(f);XP(B)::QAB1(A)
- Q(i);::QAB1(A)
- B(a);::QAB1(A)
- B(b);::QAB1(A)
- Refutation
- B(b);XS(D)
- Try
- S(D);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(i);XP(E)::QAR2(A)
- Q(i);XB(F)::QAB1(A)
- Q(i);::QAB1(A)
- B(a);::QAB1(A)
- B(b);::QAB1(A)
- Refutation
- Q(i);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(i);XP(E)::QAR2(A)
- Q(i);XB(F)::QAB1(A)
- P(f);XP(B)::QAB1(A)
- B(a);::QAB1(A)
- B(b);::QAB1(A)
- Refutation
- Q(i);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(i);XP(E)::QAR2(A)
- Q(i);XB(F)::QAB1(A)
- P(f);XP(B)::QAB1(A)
- Q(i);::QAB1(A)
- B(a);::QAB1(A)
- B(b);::QAB1(A)
- Refutation
- Q(i);XS(D)
- Try
- B(F);
- Threat
- QAR2(A)
- Vars
- P(f);XP(B)::S(D),XP(f)
- B(a);SBLOCK::QAR1(A)
- B(b);N_GUARD::R1(H),XP(d)
- P(d);::QAR1(A)
- Refutation
- B(a);
- Try
- P(B);XP(f)
- Threat
- S(D)
- Vars
- S(g);N_GUARD::QAB1(A),XS(g)
- B(b);N_GUARD::R1(H),XP(d)
- S(g);N_GUARD::QAB1(A)
- Refutation
- Q(i);XP(B)
- Try
- P(I);CHECK,P_SPINR(H)
- Refutation
- Q(i);P_SPINQ(i)
- Try
- P(I);CHECK,P_SPINR(H)
- Refutation
- Q(i);P_SPINQ(i)
- Try
- Actual
- B(F);
- Threat
- QAR1(A)
- Vars
- P(f);XP(B)::S(D),XP(f)
- S(g);N_GUARD::QAB1(A),XS(g)
- B(b);N_GUARD::R1(H),XP(d)
- S(g);N_GUARD::QAB1(A)
Developed and maintained by Brian Stephenson.
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