MESON Chess Problem Database
Problem Display
PID: 819 (7B/6n1/2K1P1N1/R1p3r1/3Pk3/4N2Q/B2R4/4n3 w - - 0 1)
Rice, John Michael
British Chess Magazine, 1966
#2
10 + 5
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 5174 | Chess Problem Spectrum | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Bd5#
- 1...Rg2
- 2.Bd5#
- 1...Rg4
- 2.Bd5#
- 1...Rd5
- 2.Bxd5#
- 1...Sg2
- 2.Bb1#
- 1...Sf5
- 2.Bd5#
- 1...Rg1
- Tries
- 1.Sd1?
- threat
- 2.Sf2#
- 2.Sc3#
- 1...cxd4
- 2.Sf2#
- 2.Re2#
- 1...Rg3
- 2.Bd5#
- 1...Rg4
- 2.Qxg4#
- 1...Sd3
- 2.Qxd3#
- 1...Rg2
- 2.Sc3#
- 2.Bd5#
- 1...Rf5
- 2.Sc3#
- 2.Qe3#
- 1...Sf3
- 2.Bb1#
- 1...Rxg6!
- threat
- 1.Sf1?
- 1...Sxe6
- 2.Re2#
- 1...cxd4
- 2.Re2#
- 1...Rg3
- 2.Bd5#
- 1...Rg4
- 2.Qxg4#
- 1...Sd3
- 2.Qxd3#
- 1...Rg1
- 2.Bd5#
- 1...Rg2
- 2.Bd5#
- 1...Rd5
- 2.Bxd5#
- 2.Qg4#
- 1...Re5
- 2.Qg4#
- 1...Rf5
- 2.Qe3#
- 1...Rh5
- 2.Qg4#
- 1...Sc2
- 2.Qd3#
- 1...Sg2
- 2.Bb1#
- 2.Qd3#
- 1...Sf3
- 2.Bb1#
- 1...Sf5
- 2.Bd5#
- 1...Sh5
- 2.Re2#
- 1...Se8
- 2.Re2#
- 1...c4
- 2.Qe3#
- 1...Rxg6!
- 1...Sxe6
- 1.Bb1+?
- 1...Sc2
- 2.Bxc2#
- 1...Sd3!
- 1...Sc2
- 1.Qg4+?
- 1...Kxe3
- 2.Qe2#
- 2.Qf4#
- 1...Rxg4!
- 1...Kxe3
- 1.Qh4+?
- 1...Kxe3
- 2.Qf4#
- 1...Kf3
- 2.Qf4#
- 1...Rg4!
- 1...Kxe3
- 1.Sd1?
- Keys
- 1.Sg2!
- 1...Rxg2
- 2.Bd5#
- 1...Rxg6
- 2.Bd5#
- 1...Sxg2
- 2.Bb1#
- 2.Qd3#
- 1...Sxe6
- 2.Re2#
- 1...cxd4
- 2.Re2#
- 1...Rg3
- 2.Bd5#
- 1...Rg4
- 2.Qxg4#
- 1...Sd3
- 2.Qxd3#
- 1...Rd5
- 2.Bxd5#
- 2.Qg4#
- 1...Re5
- 2.Qg4#
- 1...Rf5
- 2.Qe3#
- 1...Rh5
- 2.Qg4#
- 1...Sc2
- 2.Qd3#
- 1...Sf3
- 2.Bb1#
- 1...Sf5
- 2.Bd5#
- 1...Sh5
- 2.Re2#
- 1...Se8
- 2.Re2#
- 1...c4
- 2.Qe3#
- 1...Rxg2
- 1.Sg2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 13
- REMOVED MATES = 3
- Sets
- R(d);N_GUARD::B(A)
- R(d);N_GUARD::B(A),XR(d)
- S(a);N_GUARD::B(A)
- S(e);S_CUTR(d)::B(A)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD::B(A)
- R(d);N_GUARD::QAR2(D),XR(d)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(a);N_GUARD::B(A)
- Refutation
- R(d);P_PINP(H),XS(I)
- Try
- S(C);
- Vars
- S(e);XP(H)::R(B)
- P(c);SBLOCK,XP(E)::R(B)
- R(d);N_GUARD::B(A)
- R(d);N_GUARD::QAR2(D),XR(d)
- S(a);N_GUARD::QAB1(D),XS(a)
- R(d);N_GUARD::QAR2(D)
- R(d);SBLOCK::QAR1(D)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::B(A)
- S(e);S_CUTR(d)::B(A)
- S(e);::R(B)
- P(c);::QAR1(D)
- Refutation
- R(d);P_PINP(H),XS(I)
- Try
- B(A);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::B(A),XS(a)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(D);CHECK
- Refutation
- R(d);XQ(D)
- Try
- Q(D);CHECK
- Vars
- K(b);P-FLIGHT,XS(C)::QAB1(D)
- K(b);S_FLIGHT::QAR1(D)
- Refutation
- R(d);P_SPINR(d)
- Try
- Actual
- S(C);
- Vars
- R(d);N_GUARD,XS(C)::B(A)
- R(d);N_GUARD,P_PINP(H),XS(I)::B(A)
- S(e);XP(H)::R(B)
- P(c);SBLOCK,XP(E)::R(B)
- R(d);N_GUARD::B(A)
- R(d);N_GUARD::QAR2(D),XR(d)
- S(a);N_GUARD::QAB1(D),XS(a)
- R(d);N_GUARD::QAR2(D)
- R(d);SBLOCK::QAR1(D)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::B(A)
- S(e);S_CUTR(d)::B(A)
- S(e);::R(B)
- P(c);::QAR1(D)
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