MESON Chess Problem Database
Problem Display
PID: 42048 (K7/p2pRp2/4Bn2/2p1PPp1/4k2N/rp1RP1p1/bBP5/3N1Qbq w - - 0 1)
Barnes, Barry Peter
4/5 Prize, Die Schwalbe, 1971
#2
12 + 13
| 4199 | Barnes about Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Qxg2#
- 1...Qf3
- 2.Qxf3#
- 1...Qh2
- 2.Qf3#
- 1...Qh3
- 2.Qf3#
- 1...Qxh4
- 2.Qg2#
- 1...Bxe3
- 2.Rxe3#
- 1...Sg4
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sh5
- 2.Bd5#
- 1...Sh7
- 2.Bd5#
- 1...Se8
- 2.Bd5#
- 1...Sg8
- 2.Bd5#
- 1...g2
- 2.Qf3#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...Qg2
- Tries
- 1.Bxb3?
- threat
- 2.Sc3#
- 2.exf6#
- 1...Rxb3
- 2.exf6#
- 1...Bxb3
- 2.Sc3#
- 1...Ra6
- 2.Sc3#
- 1...Sg4
- 2.Sc3#
- 1...Sh5
- 2.Sc3#
- 1...Sh7
- 2.Sc3#
- 1...Se8
- 2.Sc3#
- 1...Sg8
- 2.Sc3#
- 1...Sd5!
- threat
- 1.Bxf7?
- threat
- 2.Sc3#
- 2.exf6#
- 1...Sd5
- 2.Bxd5#
- 1...Ra6
- 2.Sc3#
- 1...Sg4
- 2.Sc3#
- 2.Bd5#
- 1...Sh5
- 2.Sc3#
- 2.Bd5#
- 1...Sh7
- 2.Sc3#
- 2.Bd5#
- 1...Se8
- 2.Sc3#
- 2.Bd5#
- 1...Sg8
- 2.Sc3#
- 2.Bd5#
- 1...bxc2!
- threat
- 1.Rxb3?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Qxh4
- 2.Qg2#
- 1...Rxb3
- 2.Qc4#
- 1...Bxb3
- 2.Qd3#
- 1...gxh4
- 2.Qf4#
- 1...Ra4
- 2.Qd3#
- 1...c4
- 2.Qxc4#
- 1...d5
- 2.Qd3#
- 1...Bxe3!
- threat
- 1.Rd5?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Qxh4
- 2.Qg2#
- 1...Bxe3
- 2.Sc3#
- 1...gxh4
- 2.Qf4#
- 1...Ra4
- 2.Qd3#
- 1...c4
- 2.Qxc4#
- 1...bxc2!
- threat
- 1.Bxb3?
- Keys
- 1.Bc4!
- threat
- 2.Sc3#
- 2.exf6#
- 1...bxc2
- 2.exf6#
- 1...Ra6
- 2.Sc3#
- 1...Sg4
- 2.Sc3#
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sh5
- 2.Sc3#
- 2.Bd5#
- 1...Sh7
- 2.Sc3#
- 2.Bd5#
- 1...Se8
- 2.Sc3#
- 2.Bd5#
- 1...Sg8
- 2.Sc3#
- 2.Bd5#
- threat
- 1.Bc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 14
- Sets
- Q(b);N_GUARD::QAB(B),XQ(b)
- Q(b);N_GUARD::QAB1(B),XQ(b)
- Q(b);N_GUARD::QAB1(B)
- Q(b);N_GUARD,XS(G)::QAB(B)
- B(a);OGATE,XP(F)::R1(E),XB(a)
- S(j);N_GUARD::B(J)
- S(j);N_GUARD::B(J),XS(j)
- P(f);S_CUTQ(b)::QAB1(B)
- P(i);N_GUARD,XS(G)::QAR1(B)
- P(i);N_GUARD::QAR1(B)
- Tries
- Try
- B(J);XP(e)
- Threat
- DUALS(2)
- Vars
- R(d);XB(J)::R(K)+P(H),XS(j)
- B(c);XB(J)::S(A)
- R(d);::S(A)
- S(j);::S(A)
- Refutation
- S(j);
- Try
- B(J);XP(m)
- Threat
- DUALS(2)
- Vars
- S(j);N_GUARD::B(J),XS(j)
- R(d);::S(A)
- Refutation
- P(e);XP(D)
- Try
- R(E);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XS(G)::QAB(B)
- R(d);XR(E)::QAR2(B)
- B(c);XR(E)::QAB1(B)
- P(i);N_GUARD,XS(G)::QAR1(B)
- R(d);::QAB1(B)
- P(h);::QAR2(B),XP(h)
- P(l);::QAB1(B)
- Refutation
- B(a);XP(F)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XS(G)::QAB(B)
- B(a);SBLOCK,XP(F)::S(A)
- P(i);N_GUARD,XS(G)::QAR1(B)
- R(d);::QAB1(B)
- P(h);::QAR2(B),XP(h)
- Refutation
- P(e);XP(D)
- Try
- Actual
- B(J);
- Threat
- DUALS(2)
- Vars
- P(e);XP(D)::R(K)+P(H),XS(j)
- R(d);::S(A)
- S(j);N_GUARD::B(J),XS(j)
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