MESON Chess Problem Database
Problem Display
PID: 10226 (8/8/1R2NN2/r2n4/B1knP3/8/3Q1K2/b7 w - - 0 1)
Gooderson, Arthur R
Busmen's Chess Review, 1963
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Bb3#
- 1...Se2
- 2.Bb3#
- 1...Sb3
- 2.Bxb3#
- 1...Sf3
- 2.Bb3#
- 1...Sb5
- 2.Rc6#
- 1...Sf5
- 2.Bb3#
- 1...Sc6
- 2.Bb3#
- 1...Sc3
- 2.Qxd4#
- 1...Se3
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sf4
- 2.Rb4#
- 1...Sxf6
- 2.Rb4#
- 1...Sc7
- 2.Rb4#
- 1...Se7
- 2.Rb4#
- 1...Sc2
- Tries
- 1.Sg4?
- threat
- 2.Se5#
- 1...Sxb6
- 2.Se3#
- 1...Sc2
- 2.Bb3#
- 1...Se2
- 2.Bb3#
- 1...Sb3
- 2.Bxb3#
- 1...Sf3
- 2.Bb3#
- 1...Sb5
- 2.Rc6#
- 1...Sf5
- 2.Bb3#
- 1...Sc6
- 2.Bb3#
- 1...Sc3
- 2.Se3#
- 2.Qxd4#
- 1...Se3
- 2.Sxe3#
- 2.Rb4#
- 1...Sb4
- 2.Se3#
- 2.Rxb4#
- 1...Sf4
- 2.Se3#
- 2.Rb4#
- 1...Sf6
- 2.Se3#
- 2.Rb4#
- 1...Sc7
- 2.Se3#
- 2.Rb4#
- 1...Se7
- 2.Se3#
- 2.Rb4#
- 1...Sxe6!
- threat
- 1.Sxd5?
- threat
- 2.Se3#
- 2.Rb4#
- 1...Rxa4
- 2.Se3#
- 1...Rxd5
- 2.Rb4#
- 1...Rb5
- 2.Se3#
- 1...Bc3
- 2.Se3#
- 2.Qxc3#
- 1...Sc2
- 2.Bb3#
- 2.Qe2#
- 1...Sb5
- 2.Se3#
- 2.Rc6#
- 2.Qe2#
- 1...Sf5
- 2.Bb3#
- 2.Rb4#
- 2.Qe2#
- 1...Sc6
- 2.Se3#
- 2.Bb3#
- 2.Qe2#
- 1...Sxe6!
- threat
- 1.Se8?
- threat
- 2.Sd6#
- 1...Sb5
- 2.Rc6#
- 1...Sf5
- 2.Bb3#
- 1...Sxe6!
- threat
- 1.Rc6+?
- 1...Rc5
- 2.Rxc5#
- 1...Sxc6!
- 1...Rc5
- 1.Sg4?
- Keys
- 1.Sd7!
- threat
- 2.Se5#
- 1...Sxe6
- 2.Bb3#
- 1...Sxb6
- 2.Sxb6#
- 1...Sc2
- 2.Bb3#
- 1...Se2
- 2.Bb3#
- 1...Sb3
- 2.Bxb3#
- 1...Sf3
- 2.Bb3#
- 1...Sb5
- 2.Rc6#
- 1...Sf5
- 2.Bb3#
- 1...Sc6
- 2.Bb3#
- 1...Sc3
- 2.Qxd4#
- 1...Se3
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sf4
- 2.Rb4#
- 1...Sf6
- 2.Rb4#
- 1...Sc7
- 2.Rb4#
- 1...Se7
- 2.Rb4#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::B(C)
- S(c);N_GUARD::B(C),XS(c)
- S(c);N_GUARD,S_CUTR(d)::R(E)
- S(e);S_CUTB(a)::QAR1(A),XS(c)
- S(e);N_GUARD::R1(E)
- S(e);N_GUARD::R1(E),XS(e)
- S(e);N_GUARD,XS(G)::R1(E)
- Tries
- Try
- S(G);
- Threat
- S(G)
- Vars
- S(e);N_GUARD,XR(E)::S(G)
- S(c);N_GUARD::B(C)
- S(c);N_GUARD::B(C),XS(c)
- S(c);N_GUARD,S_CUTR(d)::R(E)
- Refutation
- S(c);XS(F)
- Try
- S(G);XS(e)
- Threat
- DUALS(2)
- Vars
- R(d);XB(C)::S(G)
- R(d);XS(G)::R1(E)
- R(d);::S(G)
- Refutation
- S(c);XS(F)
- Try
- S(G);
- Threat
- S(G)
- Vars
- S(c);N_GUARD,S_CUTR(d)::R(E)
- S(c);N_GUARD::B(C)
- Refutation
- S(c);XS(F)
- Try
- R(E);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::R1(E),XR(d)
- Refutation
- S(c);XR(E)
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- S(c);N_GUARD,XS(F)::B(C)
- S(e);XR(E)::S(G),XS(e)
- S(c);N_GUARD::B(C)
- S(c);N_GUARD::B(C),XS(c)
- S(c);N_GUARD,S_CUTR(d)::R(E)
- S(e);S_CUTB(a)::QAR1(A),XS(c)
- S(e);N_GUARD::R1(E)
- S(e);N_GUARD::R1(E),XS(e)
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