MESON Chess Problem Database
Problem Display
PID: 816 (5b2/Bp1K4/N2pR3/1n1kp3/2R5/1r2rP2/4PN2/2Q5 w - - 0 1)
Valois, Paul Stedman
British Chess Magazine, 1965
#2
9 + 8
| 102 | Probleemblad | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Sb4#
- 1...Rbd3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Red3
- 2.e4#
- 1...Rxf3
- 2.e4#
- 1...Re4
- 2.fxe4#
- 1...Sa3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sxa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Ra3
- Tries
- 1.Ra4?
- threat
- 2.Qc4#
- 1...Rb4
- 2.Sxb4#
- 1...Rec3
- 2.e4#
- 1...Re4
- 2.fxe4#
- 1...Sa3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Rbc3!
- threat
- 1.Rb4?
- threat
- 2.Qc4#
- 1...Rxb4
- 2.Sxb4#
- 1...Rec3
- 2.e4#
- 1...Re4
- 2.fxe4#
- 1...Sa3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Rbc3!
- threat
- 1.Rd4+?
- 1...Sxd4
- 2.Sc7#
- 1...exd4!
- 1...Sxd4
- 1.Re4?
- threat
- 2.Qc4#
- 1...Rxe4
- 2.fxe4#
- 1...Rbc3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Sa3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Rec3!
- threat
- 1.Rg4?
- threat
- 2.Qc4#
- 1...Rbc3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Re4
- 2.fxe4#
- 1...Sa3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...e4
- 2.Rg5#
- 1...Rec3!
- threat
- 1.Rh4?
- threat
- 2.Qc4#
- 1...Rbc3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Re4
- 2.fxe4#
- 1...Sa3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...e4
- 2.Rh5#
- 1...Rec3!
- threat
- 1.Rc5+?
- 1...Kd4
- 2.Qc4#
- 1...dxc5!
- 1...Kd4
- 1.Rc8?
- threat
- 2.Qc4#
- 1...Rec3
- 2.e4#
- 1...Rbc3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Re4
- 2.fxe4#
- 1...Sa3
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sc3!
- threat
- 1.Rxd6+?
- 1...Sxd6
- 2.Sc7#
- 1...Bxd6!
- 1...Sxd6
- 1.Ra4?
- Keys
- 1.Rc6!
- threat
- 2.Qc4#
- 1...bxc6
- 2.Qxc6#
- 1...Rec3
- 2.e4#
- 1...Rbc3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Re4
- 2.fxe4#
- 1...Sa3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- threat
- 1.Rc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- R(b);OGATE::P(B)
- R(b);OGATE,XP(D)::P(B)
- R(b);OGATE::P(D),XR(b)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD,XB(H)::S(F)
- S(c);N_GUARD::S(F),XS(c)
- Tries
- Try
- R(E);
- Threat
- QAB1(A)
- Vars
- R(a);N_GUARD::S(F),XR(a)
- R(b);OGATE::P(B)
- R(b);OGATE::P(D),XR(b)
- S(c);N_GUARD::S(F)
- Refutation
- R(a);
- Try
- R(E);
- Threat
- QAB1(A)
- Vars
- R(a);XR(E)::S(F),XR(a)
- R(b);OGATE::P(B)
- R(b);OGATE::P(D),XR(b)
- S(c);N_GUARD::S(F)
- Refutation
- R(a);
- Try
- R(E);CHECK
- Vars
- S(c);XR(E)::S(F)
- Refutation
- P(e);XR(E)
- Try
- R(E);
- Threat
- QAB1(A)
- Vars
- R(b);OGATE,XR(E)::P(D),XR(b)
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- S(c);N_GUARD::S(F)
- Refutation
- R(b);
- Try
- R(E);
- Threat
- QAB1(A)
- Vars
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- R(b);OGATE::P(D),XR(b)
- S(c);N_GUARD::S(F)
- P(e);OGATEB::R(E)
- Refutation
- R(b);
- Try
- R(E);
- Threat
- QAB1(A)
- Vars
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- R(b);OGATE::P(D),XR(b)
- S(c);N_GUARD::S(F)
- P(e);OGATEB::R(E)
- Refutation
- R(b);
- Try
- R(E);CHECK
- Vars
- K(d);P-FLIGHT::QAR1(A)
- Refutation
- P(f);XR(E)
- Try
- R(E);
- Threat
- QAB1(A)
- Vars
- R(b);OGATE::P(B)
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- R(b);OGATE::P(D),XR(b)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- Refutation
- S(c);
- Try
- R(G);CHECK,XP(f)
- Vars
- S(c);XR(G)::S(F)
- Refutation
- B(h);XR(G)
- Try
- Actual
- R(E);
- Threat
- QAB1(A)
- Vars
- P(g);OGATE,XR(E)::QAB1(A),XP(g)
- R(b);OGATE::P(B)
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- R(b);OGATE::P(D),XR(b)
- S(c);N_GUARD::S(F)
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