MESON Chess Problem Database
Problem Display
PID: 18770 (r7/8/1Q6/1BN1N1p1/P3P3/P1k1P2r/P4n2/2Kb4 w - - 0 1)
Rice, John Michael
Correspondence Chess, 1958
#2
10 + 6
| 3976 | FIDE Album (1956-1958) | 1961 |
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 5174 | Chess Problem Spectrum | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Qxa5#
- 1...Rb8
- 2.Qa5#
- 1...Rc8
- 2.Qa5#
- 1...Rd8
- 2.Qa5#
- 1...Re8
- 2.Qa5#
- 1...Rf8
- 2.Qa5#
- 1...Rg8
- 2.Qa5#
- 1...Rh8
- 2.Qa5#
- 1...Sxe4
- 2.Sxe4#
- 1...Ra5
- Tries
- 1.Sa6?
- threat
- 2.Qd4#
- 2.Qa5#
- 2.Qc5#
- 2.Qc7#
- 2.Qc6#
- 1...Rxe3
- 2.Qc5#
- 1...Rxa6
- 2.Qd4#
- 2.Qc5#
- 1...Sxe4
- 2.Qd4#
- 2.Qa5#
- 1...Rh6
- 2.Qd4#
- 2.Qa5#
- 2.Qc5#
- 1...Rh7
- 2.Qd4#
- 2.Qa5#
- 2.Qc5#
- 2.Qc6#
- 1...Ra7
- 2.Qd4#
- 2.Qa5#
- 2.Qc5#
- 2.Qc6#
- 1...Rc8
- 2.Qd4#
- 2.Qa5#
- 1...Rd8
- 2.Qa5#
- 2.Qc5#
- 2.Qc7#
- 2.Qc6#
- 1...Be2
- 2.Qd4#
- 2.Qa5#
- 1...Bb3
- 2.Qd4#
- 2.Qa5#
- 1...Sd3+!
- threat
- 1.Qd8?
- threat
- 2.Qd2#
- 2.Qd4#
- 1...Sd3+
- 2.Qxd3#
- 1...Rxe3
- 2.Qd2#
- 1...Rxa4
- 2.Qd2#
- 1...Sxe4
- 2.Sxe4#
- 2.Qd3#
- 2.Qd4#
- 1...Rxd8!
- threat
- 1.Qc6?
- threat
- 2.Sb3#
- 2.Scd3#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Scd7#
- 1...Sd3+
- 2.Scxd3#
- 1...Rxe3
- 2.Sb3#
- 2.Se6#
- 1...Rxa4
- 2.Sxa4#
- 1...Sxe4
- 2.Sxe4#
- 1...Rh6
- 2.Se6#
- 1...Ra6
- 2.Sxa6#
- 1...Be2
- 2.Scd3#
- 1...Bb3
- 2.Sxb3#
- 1...Rc8!
- threat
- 1.Qd6?
- threat
- 2.Qd2#
- 2.Qd4#
- 1...Sd3+
- 2.Qxd3#
- 1...Rxe3
- 2.Qd2#
- 1...Rxa4
- 2.Qd2#
- 1...Sxe4
- 2.Sxe4#
- 2.Qd3#
- 2.Qd4#
- 1...Rd8!
- threat
- 1.Qf6?
- threat
- 2.Sed3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sed7#
- 2.Sf7#
- 1...Sd3+
- 2.Sexd3#
- 1...Rxa4
- 2.Sc4#
- 1...Sxe4
- 2.Sxe4#
- 1...Rf3
- 2.Sxf3#
- 1...Rh6
- 2.Sg6#
- 1...Ra6
- 2.Sc6#
- 1...Rd8
- 2.Sed7#
- 1...Rf8
- 2.Sf7#
- 1...Bf3
- 2.Sed3#
- 2.Sxf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sed7#
- 2.Sf7#
- 1...Bg4
- 2.Sed3#
- 2.Sf3#
- 2.Sc4#
- 2.Sxg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sed7#
- 2.Sf7#
- 1...Sg4
- 2.Sxg4#
- 1...g4
- 2.Sed3#
- 2.Sf3#
- 2.Sc4#
- 2.Sxg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sed7#
- 2.Sf7#
- 1...Re8!
- threat
- 1.Sa6?
- Keys
- 1.Qc7!
- threat
- 2.Sb3#
- 2.Scd3#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Scd7#
- 1...Sd3+
- 2.Scxd3#
- 1...Rxe3
- 2.Sb3#
- 2.Se6#
- 1...Rxa4
- 2.Sxa4#
- 1...Sxe4
- 2.Sxe4#
- 1...Rh6
- 2.Se6#
- 1...Rh7
- 2.Scd7#
- 1...Ra6
- 2.Sxa6#
- 1...Ra7
- 2.Sb7#
- 1...Rc8
- 2.Qa5#
- 1...Be2
- 2.Scd3#
- 1...Bb3
- 2.Sxb3#
- threat
- 1.Qc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 7
- Sets
- R(f);N_GUARD::QAB(J),XR(f)
- R(f);N_GUARD::QAB(J)
- S(b);XP(F)::S(H),XS(b)
- Tries
- Try
- S(H);
- Threat
- DUALS(5)
- Vars
- R(d);XP(D)::QAR2(J)
- Refutation
- S(b);CHECK
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAR1(J),XS(b)
- R(d);XP(D)::QAB1(J)
- R(f);XP(E)::QAB1(J)
- Refutation
- R(f);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(6)
- Vars
- S(b);CHECK::QAR(J)+S(H),XS(b)
- R(f);XP(E)::QAR(J)+S(H),DCHECK,XR(f)
- S(b);XP(F)::QAR(J)+S(H),DCHECK,XS(b)
- R(d);::QAR(J)+S(H)
- R(f);::QAR(J)+S(H),XR(f)
- B(a);::QAR(J)+S(H)
- B(a);::QAR(J)+S(H),XB(a)
- Refutation
- R(f);
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAR1(J),XS(b)
- R(d);XP(D)::QAB1(J)
- R(f);XP(E)::QAB1(J)
- Refutation
- R(f);
- Try
- Q(J);
- Threat
- DUALS(8)
- Vars
- S(b);CHECK::QAB(J)+S(I),XS(b)
- R(f);XP(E)::QAB(J)+S(I)
- S(b);XP(F)::S(H),XS(b)
- R(d);::QAB(J)+S(I),XR(d)
- R(d);::QAB(J)+S(I)
- R(f);::QAB(J)+S(I)
- S(b);::QAB(J)+S(I),XS(b)
- Refutation
- R(f);
- Try
- Actual
- Q(J);
- Threat
- DUALS(6)
- Vars
- S(b);CHECK::QAR(J)+S(H),XS(b)
- R(f);XP(E)::QAR(J)+S(H),DCHECK,XR(f)
- S(b);XP(F)::QAR(J)+S(H),DCHECK,XS(b)
- R(d);::QAR(J)+S(H)
- R(f);::QAR(J)+S(H),XR(f)
- R(f);::QAR(J)+S(H)
- R(f);N_GUARD::QAB(J)
- B(a);::QAR(J)+S(H)
- B(a);::QAR(J)+S(H),XB(a)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).