MESON Chess Problem Database
Problem Display
PID: 46741 (n7/1QqN4/4b3/N6R/1n1kBBR1/4r3/2PPPb2/5K2 w - - 0 1)
Barnes, Barry Peter
3rd Prize, Correspondence Chess, 1960
#2
11 + 7
| 3749 | FIDE Album (1959-1961) | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Bxe5#
- 1...Qb6
- 2.Be5#
- 1...Qd8
- 2.Be5#
- 1...Qxc2
- 2.Be5#
- 1...Qc3
- 2.Be5#
- 1...Qc4
- 2.Be5#
- 1...Qc6
- 2.Be5#
- 1...Qxb7
- 2.Be5#
- 1...Qc8
- 2.Be5#
- 1...Be1
- 2.Bxe3#
- 1...Bg3
- 2.Bxe3#
- 1...Bh4
- 2.Bxe3#
- 1...Qe5
- Tries
- 1.Bd5?
- threat
- 2.Bxe3#
- 2.Be5#
- 1...Qxf4
- 2.Qxb4#
- 1...Qxb7
- 2.Bxe3#
- 1...Qxd7
- 2.Bxe3#
- 2.Qxb4#
- 1...Rxe2
- 2.Sb3#
- 2.Be3#
- 2.Be5#
- 1...Bxd7
- 2.Bxe3#
- 1...Qe5
- 2.Bxe3#
- 2.Bxe5#
- 1...Qc6
- 2.Bxe3#
- 1...Ra3
- 2.Be3#
- 2.Be5#
- 1...Rb3
- 2.Sxb3#
- 2.Be3#
- 2.Be5#
- 1...Rc3
- 2.Be3#
- 2.Be5#
- 1...Rd3
- 2.Be3#
- 2.Be5#
- 1...Rf3
- 2.Be3#
- 2.Be5#
- 1...Rg3
- 2.Be3#
- 2.Be5#
- 1...Rh3
- 2.Be3#
- 2.Be5#
- 1...Re4
- 2.Sb3#
- 1...Re5
- 2.Sb3#
- 2.Be3#
- 2.Bxe5#
- 1...Sc6
- 2.Bxe3#
- 1...Bxg4!
- threat
- 1.Bc6?
- threat
- 2.Bxe3#
- 2.Be5#
- 1...Qxc6
- 2.Bxe3#
- 1...Qxd7
- 2.Bxe3#
- 1...Rxe2
- 2.Be3#
- 2.Be5#
- 1...Bxg4
- 2.Qxb4#
- 1...Bxd7
- 2.Bxe3#
- 2.Qxb4#
- 1...Sxc6
- 2.Bxe3#
- 1...Qe5
- 2.Bxe3#
- 2.Bxe5#
- 1...Ra3
- 2.Be3#
- 2.Be5#
- 1...Rb3
- 2.Be3#
- 2.Be5#
- 1...Rc3
- 2.Be3#
- 2.Be5#
- 1...Rd3
- 2.Be3#
- 2.Be5#
- 1...Rf3
- 2.Be3#
- 2.Be5#
- 1...Rg3
- 2.Be3#
- 2.Be5#
- 1...Rh3
- 2.Be3#
- 2.Be5#
- 1...Re4
- 2.c3#
- 1...Re5
- 2.Be3#
- 2.Bxe5#
- 2.c3#
- 1...Qxf4!
- threat
- 1.Qxb4+?
- 1...Qc4
- 2.Be5#
- 1...Bc4!
- 1...Qc4
- 1.Qb6+?
- 1...Kxe4
- 2.Sf6#
- 1...Qxb6
- 2.Be5#
- 1...Qc5
- 2.Be5#
- 1...Sxb6!
- 1...Kxe4
- 1.Qa7+?
- 1...Kxe4
- 2.Sf6#
- 1...Qb6
- 2.Be5#
- 1...Qc5
- 2.Be5#
- 1...Qxa7
- 2.Be5#
- 1...Sb6!
- 1...Kxe4
- 1.c3+?
- 1...Qxc3
- 2.Be5#
- 1...Rxc3!
- 1...Qxc3
- 1.Bd5?
- Keys
- 1.Bd3!
- threat
- 2.Bxe3#
- 2.Be5#
- 1...Qxf4
- 2.c3#
- 1...Qxb7
- 2.Bxe3#
- 2.c3#
- 1...Qxd7
- 2.Bxe3#
- 2.c3#
- 1...Rxe2
- 2.Be3#
- 2.Be5#
- 1...Rxd3
- 2.Be3#
- 2.Be5#
- 1...Bxg4
- 2.Sb3#
- 1...Bxd7
- 2.Sb3#
- 2.Bxe3#
- 1...Qe5
- 2.Bxe3#
- 2.Bxe5#
- 2.c3#
- 1...Qc6
- 2.Bxe3#
- 1...Rf3
- 2.Be3#
- 2.Be5#
- 2.Qe4#
- 1...Rg3
- 2.Be3#
- 2.Be5#
- 2.Qe4#
- 1...Rh3
- 2.Be3#
- 2.Be5#
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Re5
- 2.Be3#
- 2.Bxe5#
- 1...Sc6
- 2.Bxe3#
- 2.Qb2#
- 2.c3#
- threat
- 1.Bd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- Q(f);N_GUARD::B(F),XQ(f)
- Q(f);N_GUARD::B(F)
- Q(f);N_GUARD,XP(B)::B(F)
- Q(f);N_GUARD,P_PINP(D)::B(F)
- Q(f);N_GUARD,XQ(J)::B(F)
- B(a);N_GUARD::B(F),XR(b)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(f);N_GUARD,P_SPINQ(f),XB(F)::QAR2(J),XS(c)
- Q(f);XQ(J)::R(G)+B(F),DCHECK,XR(b)
- B(e);XS(K)::R(G)+B(F),DCHECK,XR(b)
- Q(f);::R(G)+B(F),DCHECK,XR(b)
- R(b);N_GUARD::S(H)
- S(c);::R(G)+B(F),DCHECK,XR(b)
- Refutation
- B(e);XR(G)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(f);XB(E)::R(G)+B(F),DCHECK,XR(b)
- Q(f);XS(K)::R(G)+B(F),DCHECK,XR(b)
- B(e);N_GUARD,XR(G)::QAR2(J),XS(c)
- S(c);XB(E)::R(G)+B(F),DCHECK,XR(b)
- R(b);N_GUARD::P(B)
- Refutation
- Q(f);P_SPINQ(f),XB(F)
- Try
- Q(J);CHECK,XS(c)
- Vars
- Q(f);P_PINP(D),P_SPINQ(f)::B(F)
- Refutation
- B(e);P_PINP(D),P_SPINB(e)
- Try
- Q(J);CHECK
- Vars
- K(d);P-FLIGHT,XB(E)::S(K)
- Q(f);XQ(J)::B(F)
- Q(f);P_SPINQ(f)::B(F)
- Refutation
- S(g);XQ(J)
- Try
- Q(J);CHECK
- Vars
- K(d);P-FLIGHT,XB(E)::S(K)
- Q(f);P_SPINQ(f)::B(F)
- Q(f);XQ(J)::B(F)
- Refutation
- S(g);P_SPINS(g)
- Try
- P(B);CHECK
- Vars
- Q(f);XP(B)::B(F)
- Refutation
- R(b);XP(B)
- Try
- Actual
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(f);N_GUARD,P_SPINQ(f),XB(F)::P(B)
- B(e);N_GUARD,XR(G)::S(H)
- Q(f);::R(G)+B(F),DCHECK,XR(b)
- R(b);N_GUARD::QAR1(J),XR(b)
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