MESON Chess Problem Database
Problem Display
PID: 202883 (2R4Q/3nK3/4n3/1PBk4/2p2P2/r3p1N1/2N1P2P/1r6 w - - 0 1)
Gough, EG
Western Daily Mercury, 1920
(First published on Fri Jan 23 1920)
#2
10 + 7
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rba1
- 2.Sb4#
- 1...Rc1
- 2.Sb4#
- 1...Rd1
- 2.Sb4#
- 1...Re1
- 2.Sb4#
- 1...Rf1
- 2.Sb4#
- 1...Rg1
- 2.Sb4#
- 1...Rh1
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Raa1
- 2.Sxe3#
- 1...Ra2
- 2.Sxe3#
- 1...Ra4
- 2.Sxe3#
- 1...Ra5
- 2.Sxe3#
- 1...Ra6
- 2.Sxe3#
- 1...Ra7
- 2.Sxe3#
- 1...Ra8
- 2.Sxe3#
- 1...Sd4
- 2.Qxd4#
- 1...Sxf4
- 2.Qd4#
- 1...Sexc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sef8
- 2.Qd4#
- 1...Sdxc5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Sdf8
- 2.Qe5#
- 1...c3
- 2.Sxe3#
- 1...Rba1
- Tries
- 1.Qc3?
- threat
- 2.Sxe3#
- 1...Sc7
- 2.Qd4#
- 1...Rxc3!
- threat
- 1.Qf6?
- threat
- 2.Qxe6#
- 1...Sxf4
- 2.Qd4#
- 2.Qd6#
- 1...Sexc5
- 2.Qd4#
- 2.Qc6#
- 2.Qd6#
- 1...Sdxc5
- 2.Qe5#
- 2.Qf5#
- 1...Sc7
- 2.Qd4#
- 2.Qc6#
- 2.Qd6#
- 1...Ra6
- 2.Sxe3#
- 1...Sd4
- 2.Qxd4#
- 2.Qd6#
- 1...Sg5
- 2.Qd4#
- 2.Qc6#
- 2.Qd6#
- 1...Sg7
- 2.Qd4#
- 2.Qc6#
- 2.Qd6#
- 1...Sd8
- 2.Qd4#
- 2.Qd6#
- 1...Sef8
- 2.Qd4#
- 2.Qc6#
- 2.Qd6#
- 1...Sdf8
- 2.Qe5#
- 2.Qf5#
- 1...Sxf6!
- threat
- 1.Qh5+?
- 1...Se5
- 2.Qxe5#
- 1...Sg5!
- 1...Se5
- 1.Qc3?
- Keys
- 1.Qa1!
- 1...Rbxa1
- 2.Sb4#
- 1...Rxb5
- 2.Qh1#
- 1...Raxa1
- 2.Sxe3#
- 1...Sxf4
- 2.Qd4#
- 1...Sexc5
- 2.Qd4#
- 1...Sdxc5
- 2.Qe5#
- 1...Sc7
- 2.Qd4#
- 1...c3
- 2.Sxe3#
- 1...Rb2
- 2.Qh1#
- 1...Rc1
- 2.Sb4#
- 1...Rd1
- 2.Sb4#
- 1...Re1
- 2.Sb4#
- 1...Rf1
- 2.Sb4#
- 1...Rg1
- 2.Sb4#
- 1...Rh1
- 2.Sb4#
- 2.Qxh1#
- 1...Rbb3
- 2.Qh1#
- 1...Rb4
- 2.Sxb4#
- 2.Qh1#
- 1...Ra2
- 2.Sxe3#
- 1...Rab3
- 2.Qa8#
- 1...Rc3
- 2.Qa8#
- 1...Rd3
- 2.Qa8#
- 1...Ra4
- 2.Sxe3#
- 1...Ra5
- 2.Sxe3#
- 1...Ra6
- 2.Sxe3#
- 1...Ra7
- 2.Sxe3#
- 1...Ra8
- 2.Sxe3#
- 2.Qxa8#
- 1...Sd4
- 2.Qxd4#
- 1...Sg5
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sef8
- 2.Qd4#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Sdf8
- 2.Qe5#
- 1...Rbxa1
- 1.Qa1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 3
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- R(b);N_GUARD::S(A),XP(c)
- S(f);N_GUARD::QAR1(J),XS(f)
- S(f);N_GUARD,XP(E)::QAR1(J)
- S(f);N_GUARD,XB(G)::QAR1(J)
- S(f);N_GUARD::QAR1(J)
- S(g);N_GUARD,XB(G)::QAR1(J)
- S(g);N_GUARD::QAR1(J),XS(g)
- S(g);N_GUARD::QAR1(J)
- P(d);S_CUTR(b)::S(A),XP(c)
- Tries
- Try
- Q(J);
- Threat
- S(A),XP(c)
- Vars
- S(f);N_GUARD::QAR1(J)
- Refutation
- R(b);XQ(J)
- Try
- Q(J);
- Threat
- QAB1(J),XS(f)
- Vars
- R(b);N_GUARD::S(A),XP(c)
- Refutation
- S(g);XQ(J)
- Try
- Q(J);CHECK
- Vars
- S(g);N_GUARD,P_SPINS(g)::QAR1(J),XS(g)
- Refutation
- S(f);P_SPINS(f)
- Try
- Actual
- Q(J);
- Vars
- R(a);N_GUARD,XQ(J)::S(A)
- R(a);OGATE,XP(F)::QAB(J)
- R(b);N_GUARD,XQ(J)::S(A),XP(c)
- S(f);N_GUARD,XP(E)::QAR1(J)
- S(f);N_GUARD,XB(G)::QAR1(J)
- S(g);N_GUARD,XB(G)::QAR1(J)
- S(f);N_GUARD::QAR1(J)
- P(d);S_CUTR(b)::S(A),XP(c)
- R(a);OGATE::QAB(J)
- R(a);N_GUARD::S(A)
- R(b);N_GUARD::S(A),XP(c)
- R(b);OGATE::QAB(J)
- S(f);N_GUARD::QAR1(J),XS(f)
- S(g);N_GUARD::QAR1(J),XS(g)
- S(g);N_GUARD::QAR1(J)
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