MESON Chess Problem Database
Problem Display
PID: 43068 (B7/1R5r/8/2NN4/5ppQ/4pk1p/4p3/1r2B1nK w - - 0 1)
Mansfield, Comins
Problemas, 1969
#2
7 + 9
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...g3
- 2.Qxf4#
- 1...g3
- Tries
- 1.Sxe3?
- threat
- 2.Qf2#
- 1...Kxe3
- 2.Qf2#
- 1...Rxe1
- 2.Re7#
- 1...Rxh4
- 2.Rb3#
- 1...fxe3
- 2.Rf7#
- 2.Qg3#
- 2.Qf6#
- 1...g3!
- threat
- 1.Sf6?
- threat
- 2.Qxg4#
- 1...Rxe1
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rxh7#
- 1...Rxh4
- 2.Rxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 1...g3
- 2.Qg4#
- 1...Rg7!
- threat
- 1.Rb3?
- threat
- 2.Sc7#
- 2.Se7#
- 2.Qf2#
- 1...Rxe1
- 2.Sc7#
- 2.Se7#
- 1...Rxh4
- 2.Sc3#
- 2.Sxe3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Rh5
- 2.Qf2#
- 1...Ra1
- 2.Qf2#
- 1...Rd1
- 2.Qf2#
- 1...Rh6
- 2.Sf6#
- 2.Qf2#
- 1...Ra7
- 2.Qf2#
- 1...Rb7
- 2.Qf2#
- 1...Rc7
- 2.Sxc7#
- 2.Qf2#
- 1...Rd7
- 2.Qf2#
- 1...Re7
- 2.Sxe7#
- 2.Qf2#
- 1...Rh8
- 2.Qf2#
- 1...g3
- 2.Sc7#
- 2.Se7#
- 2.Qxf4#
- 1...Rxb3!
- threat
- 1.Rb4?
- threat
- 2.Sc7#
- 2.Se7#
- 2.Rxf4#
- 1...Rh5
- 2.Rxf4#
- 1...Ra1
- 2.Rxf4#
- 1...Rd1
- 2.Rxf4#
- 1...Rh6
- 2.Sf6#
- 2.Rxf4#
- 1...Ra7
- 2.Rxf4#
- 1...Rb7
- 2.Rxf4#
- 1...Rc7
- 2.Sxc7#
- 2.Rxf4#
- 1...Rd7
- 2.Rxf4#
- 1...Re7
- 2.Sxe7#
- 2.Rxf4#
- 1...Rf7
- 2.Sc7#
- 2.Se7#
- 1...Rh8
- 2.Rxf4#
- 1...Rxb4!
- threat
- 1.Rf7?
- threat
- 2.Sb4#
- 2.Sb6#
- 2.Rxf4#
- 2.Qg3#
- 1...Rxe1
- 2.Sc3#
- 2.Sb4#
- 2.Sxf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Rxf4#
- 1...Rxh4
- 2.Sb4#
- 2.Sb6#
- 2.Rxf4#
- 1...Rh5
- 2.Rxf4#
- 2.Qg3#
- 1...Ra1
- 2.Rxf4#
- 2.Qg3#
- 1...Rd1
- 2.Rxf4#
- 2.Qg3#
- 1...Rb4
- 2.Sxb4#
- 2.Qg3#
- 1...Rb5
- 2.Sb6#
- 2.Rxf4#
- 2.Qg3#
- 1...Rb6
- 2.Sxb6#
- 2.Rxf4#
- 2.Qg3#
- 1...Rb7
- 2.Rxf4#
- 2.Qg3#
- 1...Rb8
- 2.Rxf4#
- 2.Qg3#
- 1...Rh6
- 2.Rxf4#
- 2.Qg3#
- 1...Rh8
- 2.Rxf4#
- 2.Qg3#
- 1...g3
- 2.Sb4#
- 2.Sb6#
- 2.Rxf4#
- 2.Qxg3#
- 2.Qxf4#
- 1...Rxf7!
- threat
- 1.Rg7?
- threat
- 2.Sb4#
- 2.Sb6#
- 2.Qxg4#
- 1...Rxe1
- 2.Sc3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Rxh4
- 2.Sb4#
- 2.Sb6#
- 1...Rh5
- 2.Qxg4#
- 1...Ra1
- 2.Qxg4#
- 1...Rd1
- 2.Qxg4#
- 1...Rb4
- 2.Sxb4#
- 2.Qxg4#
- 1...Rb5
- 2.Sb6#
- 2.Qxg4#
- 1...Rb6
- 2.Sxb6#
- 2.Qxg4#
- 1...Rb7
- 2.Qxg4#
- 1...Rb8
- 2.Qxg4#
- 1...Rh6
- 2.Qxg4#
- 1...Rh8
- 2.Qxg4#
- 1...g3
- 2.Sb4#
- 2.Sb6#
- 2.Qxf4#
- 2.Qg4#
- 1...Rxg7!
- threat
- 1.Sxe3?
- Keys
- 1.Sxf4!
- threat
- 2.Qg3#
- 1...Kxf4
- 2.Qf6#
- 1...Rxe1
- 2.Rf7#
- 1...Rxh4
- 2.Rb4#
- 1...g3
- 2.Qxg3#
- threat
- 1.Sxf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- P(h);OGATE::QAR1(C),XP(g)
- Tries
- Try
- S(E);XP(d)
- Threat
- QAR1(C)
- Vars
- K(e);P-FLIGHT,XS(E)::QAB1(C)
- R(a);N_GUARD,XB(A)::B(G)+R(F)
- R(i);N_GUARD,XQ(C)::B(G)+R(F)
- Refutation
- P(h);
- Try
- S(E);
- Threat
- QAB1(C),XP(h)
- Vars
- P(h);::QAB1(C)
- Refutation
- R(i);
- Try
- R(F);P_PINP(d)
- Threat
- DUALS(3)
- Vars
- R(i);::QAR1(C)
- R(a);::QAR1(C)
- Refutation
- R(a);N_SPINP(d),XR(F)
- Try
- R(F);
- Threat
- DUALS(3)
- Vars
- R(i);::R1(F),XP(g)
- R(a);::R1(F),XP(g)
- Refutation
- R(a);XR(F)
- Try
- R(F);P_PINP(g)
- Threat
- DUALS(4)
- Refutation
- R(i);N_SPINP(g),XR(F)
- Try
- R(F);
- Threat
- DUALS(3)
- Vars
- R(i);::QAB1(C),XP(h)
- R(a);::QAB1(C),XP(h)
- Refutation
- R(i);XR(F)
- Try
- Actual
- S(E);XP(g)
- Threat
- QAR1(C)
- Vars
- K(e);OGATEB,P-FLIGHT,P_SPINP(h),XS(E)::QAR2(C)
- R(a);N_GUARD,XB(A)::B(G)+R(F)
- R(i);N_GUARD,XQ(C)::B(G)+R(F)
- P(h);::QAR1(C),XP(h)
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