MESON Chess Problem Database
Problem Display
PID: 133496 (br5b/2RR4/n2N3r/1Q1N1B1p/2Pk1P2/8/3P4/K7 w - - 0 1)
Rice, John Michael
1st Comm., British Chess Magazine, 1970
#2
10 + 7
| 5174 | Chess Problem Spectrum | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Rxb5
- 2.Sxb5#
- 1...Rc8
- 2.Qb2#
- 1...Rd8
- 2.Qb2#
- 1...Re8
- 2.Qb2#
- 1...Rf8
- 2.Qb2#
- 1...Rg8
- 2.Qb2#
- 1...Bxd5
- 2.Qxd5#
- 1...Bb7
- 2.Qb2#
- 1...Sb4
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Rxb5
- Tries
- 1.Se3?
- threat
- 2.Sc2#
- 1...Sb4
- 2.Qc5#
- 1...Be4!
- threat
- 1.Sb4?
- threat
- 2.Sc2#
- 1...Sxb4
- 2.Qc5#
- 1...Be4!
- threat
- 1.Sb7?
- threat
- 2.Sf6#
- 2.Qb2#
- 1...Rxb7
- 2.Sf6#
- 1...Bxb7
- 2.Qb2#
- 1...Sxc7
- 2.Qc5#
- 1...Rb6
- 2.Sxb6#
- 1...Rd6
- 2.Qb2#
- 1...Re6
- 2.Qb2#
- 1...Rf6
- 2.Sxf6#
- 2.Qb2#
- 1...Rh7
- 2.Se7#
- 2.Qb2#
- 1...Rd8
- 2.Qb2#
- 1...Be5
- 2.Qb2#
- 1...Bf6
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sb6#
- 2.Sxf6#
- 2.Se7#
- 2.Qb2#
- 1...Sb4
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Rc6!
- threat
- 1.Qb1?
- threat
- 2.Qd3#
- 2.Qe4#
- 2.Qg1#
- 1...Bxd5
- 2.Qd3#
- 2.Qg1#
- 1...Sxc7
- 2.Qg1#
- 1...Bc6
- 2.Qg1#
- 1...Re6
- 2.Qd3#
- 1...Rg6
- 2.Qd3#
- 2.Qe4#
- 1...Rb3
- 2.Qe4#
- 1...Re8
- 2.Sb5#
- 2.Qd3#
- 2.Qb2#
- 1...Rg8
- 2.Sb5#
- 2.Qd3#
- 2.Qe4#
- 2.Qb2#
- 1...Sb4
- 2.Qe4#
- 2.Qg1#
- 2.Qb2#
- 1...Sc5
- 2.Qg1#
- 1...Rxb1+!
- threat
- 1.Qb3?
- threat
- 2.Qc3#
- 2.Qd3#
- 2.Qe3#
- 1...Sxc7
- 2.Qe3#
- 1...Bc6
- 2.Qe3#
- 1...Re6
- 2.Qc3#
- 2.Qd3#
- 1...Re8
- 2.Sb5#
- 2.Qb2#
- 2.Qc3#
- 2.Qd3#
- 1...Sb4
- 2.Qb2#
- 2.Qc3#
- 2.Qe3#
- 1...Sc5
- 2.Qc3#
- 2.Qe3#
- 1...Rxb3!
- threat
- 1.Qb6+?
- 1...Sc5
- 2.Qxc5#
- 1...Rxb6!
- 1...Sc5
- 1.Qxb8?
- threat
- 2.Sb5#
- 2.Qb2#
- 1...Rxd6
- 2.Qb2#
- 1...Sxc7
- 2.Qa7#
- 2.Qb6#
- 1...Sxb8
- 2.Sb5#
- 1...Bb7
- 2.Sb5#
- 1...Sb4
- 2.Sb5#
- 2.Qa7#
- 2.Qb6#
- 1...Sc5
- 2.Qb2#
- 1...Bc6!
- threat
- 1.Se3?
- Keys
- 1.Sf6!
- threat
- 2.Sb7#
- 2.Qe5#
- 1...Rxf6
- 2.Qe5#
- 1...Rxb5
- 2.Sxb5#
- 1...Bxf6
- 2.Sb7#
- 1...Sxc7
- 2.Qe5#
- 1...Be4
- 2.Sdxe4#
- 1...Rh7
- 2.Qe5#
- 1...Rb6
- 2.Qe5#
- 1...Rb7
- 2.Sde4#
- 2.Sxb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sde8#
- 2.Qd5#
- 2.Qe5#
- 1...Rd8
- 2.Qb2#
- 2.Qe5#
- 1...Re8
- 2.Sb7#
- 2.Qb2#
- 1...Bh1
- 2.Sde4#
- 2.Qe5#
- 1...Bg2
- 2.Sde4#
- 2.Qe5#
- 1...Bf3
- 2.Sde4#
- 2.Qe5#
- 1...Bd5
- 2.Qxd5#
- 1...Bc6
- 2.Qe5#
- 1...Bb7
- 2.Sxb7#
- 2.Qb2#
- 2.Qe5#
- 1...Sb4
- 2.Qc5#
- 2.Qe5#
- 1...Sc5
- 2.Qxc5#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 7
- Sets
- R(f);XQ(E)::S(H),XR(f)
- R(f);N_GUARD::QAB(E)
- B(e);OGATE,XS(F)::QAR1(E),XB(e)
- B(e);S_CUTR(f)::QAB(E)
- S(c);N_GUARD::QAB1(E)
- S(c);N_GUARD::QAB1(E),XS(c)
- Tries
- Try
- S(F);
- Threat
- S(F)
- Vars
- S(c);N_GUARD::QAB1(E)
- Refutation
- B(e);
- Try
- S(F);
- Threat
- S(F)
- Vars
- S(c);N_GUARD,XS(F)::QAB1(E)
- Refutation
- B(e);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(f);XS(H)::R(J)+S(F)
- B(e);XS(H)::QAB(E)
- S(c);N_GUARD,XR(I)::QAB1(E)
- R(d);N_GUARD::R(J)+S(F),XR(d)
- R(d);::QAB(E)
- R(f);::QAB(E)
- B(g);::QAB(E)
- S(c);N_GUARD::QAB1(E)
- S(c);N_GUARD::QAB1(E),XS(c)
- Refutation
- R(d);
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- S(c);XR(I)::QAB(E)
- B(e);::QAB(E)
- R(d);::QAR1(E)
- R(f);::QAR1(E)
- S(c);::QAB(E)
- Refutation
- R(f);CHECK,XQ(E)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- S(c);XR(I)::QAB1(E)
- B(e);::QAB1(E)
- Refutation
- R(f);XQ(E)
- Try
- Q(E);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAB1(E),XS(c)
- Refutation
- R(f);XQ(E)
- Try
- Q(E);XR(f)
- Threat
- DUALS(2)
- Vars
- R(d);XS(H)::QAB(E)
- S(c);XQ(E)::S(H)
- B(e);::S(H)
- S(c);::QAB(E)
- Refutation
- B(e);
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- R(d);XS(F)::QAB1(E)
- R(f);XQ(E)::R(J)+S(H),DCHECK,XR(f)
- B(g);XS(F)::R(J)+S(H)
- S(c);XR(I)::QAB1(E)
- B(e);N_GUARD::R(J)+S(H),XB(e)
- R(d);::QAB1(E)
- R(f);::QAB1(E)
- B(e);N_GUARD::QAR1(E),XB(e)
- B(e);::QAB1(E)
- S(c);N_GUARD::QAB1(E),XS(c)
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