MESON Chess Problem Database
Problem Display
PID: 11306 (6QK/7B/4R2p/2pn4/2PknB2/Nrp5/2r5/2N4q w - - 0 1)
Mansfield, Comins
Recomm., BCF 033. Ty., 1939-1940
#2
8 + 9
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Rxe4#
- 1...Qf1
- 2.Rxe4#
- 1...Qg1
- 2.Rxe4#
- 1...Qh2
- 2.Rxe4#
- 1...Qh3
- 2.Rxe4#
- 1...Qh4
- 2.Rxe4#
- 1...Qh5
- 2.Rxe4#
- 1...Rg2
- 2.Rxe4#
- 1...Sd2
- 2.Se2#
- 1...Sf2
- 2.Sxb3#
- 1...Sg3
- 2.Sxb3#
- 1...Sg5
- 2.Sxb3#
- 1...Sd6
- 2.Sxb3#
- 1...Sef6
- 2.Sxb3#
- 1...Se3
- 2.Be5#
- 1...Qd1
- Tries
- 1.Rd6?
- threat
- 2.Rxd5#
- 2.Qxd5#
- 1...Rxa3
- 2.Qxd5#
- 1...Sxd6
- 2.Sxb3#
- 1...Rb8
- 2.Rxd5#
- 1...Sd2
- 2.Se2#
- 2.Qg7#
- 1...Sf2
- 2.Sxb3#
- 2.Qg7#
- 1...Sg3
- 2.Sxb3#
- 2.Qg7#
- 1...Sg5
- 2.Sxb3#
- 2.Qg7#
- 1...Sf6
- 2.Sxb3#
- 1...Qh5!
- threat
- 1.Re7?
- threat
- 2.Qxd5#
- 1...Sxf4
- 2.Sxc2#
- 1...Sxe7
- 2.Sxc2#
- 1...Qh5
- 2.Rxe4#
- 1...Sd2
- 2.Se2#
- 1...Sf2
- 2.Sxb3#
- 1...Sg3
- 2.Sxb3#
- 1...Sg5
- 2.Sxb3#
- 1...Sd6
- 2.Sxb3#
- 1...Sef6
- 2.Sxb3#
- 1...Se3
- 2.Be5#
- 1...Sb4
- 2.Sb5#
- 1...Sb6
- 2.Sxc2#
- 1...Sdf6
- 2.Sxc2#
- 1...Sc7
- 2.Sxc2#
- 1...Rb8!
- threat
- 1.Qg1+?
- 1...Qxg1
- 2.Rxe4#
- 1...Sf2
- 2.Sxb3#
- 1...Se3
- 2.Bxe3#
- 2.Be5#
- 2.Qxe3#
- 1...Rf2!
- 1...Qxg1
- 1.Qg7+?
- 1...Sef6
- 2.Sxb3#
- 1...Sdf6!
- 1...Sef6
- 1.Qd8?
- threat
- 2.Qxd5#
- 1...Qh5
- 2.Rxe4#
- 1...Sd2
- 2.Se2#
- 2.Be3#
- 1...Sf2
- 2.Sxb3#
- 2.Be3#
- 1...Sg3
- 2.Sxb3#
- 2.Be3#
- 1...Sg5
- 2.Sxb3#
- 2.Be3#
- 1...Sd6
- 2.Sxb3#
- 1...Sf6
- 2.Sxb3#
- 2.Be3#
- 1...Rb8!
- threat
- 1.Rd6?
- Keys
- 1.Re8!
- threat
- 2.Qxd5#
- 1...Sxf4
- 2.Sxc2#
- 1...Qh5
- 2.Rxe4#
- 1...Sd2
- 2.Se2#
- 1...Sf2
- 2.Sxb3#
- 1...Sg3
- 2.Sxb3#
- 1...Sg5
- 2.Sxb3#
- 1...Sd6
- 2.Sxb3#
- 1...Sef6
- 2.Sxb3#
- 1...Se3
- 2.Be5#
- 1...Sb4
- 2.Sb5#
- 1...Sb6
- 2.Sxc2#
- 1...Sdf6
- 2.Sxc2#
- 1...Sc7
- 2.Sxc2#
- 1...Se7
- 2.Sxc2#
- threat
- 1.Re8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 7
- Sets
- Q(a);N_GUARD::R1(E),XS(f)
- R(b);S_CUTQ(a)::R1(E),XS(f)
- S(f);S_CUTR(b)::S(A)
- S(f);::S(A),XR(c)
- S(h);SBLOCK::B(D)
- Tries
- Try
- R(E);P_PINS(h)
- Threat
- DUALS(2)
- Vars
- R(c);XS(B)::QAR1(G),XS(h)
- S(f);N_SPINS(h),XR(E)::S(A),XR(c)
- R(c);P_PINQ(G)::R1(E),XS(h)
- S(f);::S(A),XR(c)
- Refutation
- Q(a);
- Try
- R(E);
- Threat
- QAR1(G),XS(h)
- Vars
- S(h);XB(D)::S(B),XR(b)
- S(h);XR(E)::S(B),XR(b)
- Q(a);N_GUARD::R1(E),XS(f)
- S(f);S_CUTR(b)::S(A)
- S(f);::S(A),XR(c)
- S(h);SBLOCK::B(D)
- S(h);S_CUTR(c)::S(B)
- S(h);::S(B),XR(b)
- Refutation
- R(c);P_PINQ(G)
- Try
- Q(G);CHECK
- Vars
- Q(a);XQ(G)::R1(E),XS(f)
- S(f);P_SPINS(f)::S(A),XR(c)
- Refutation
- R(b);P_SPINR(b)
- Try
- Q(G);CHECK
- Vars
- S(f);P_SPINS(f)::S(A),XR(c)
- Refutation
- S(h);P_SPINS(h)
- Try
- Q(G);P_PINS(h)
- Threat
- QAR1(G),XS(h)
- Vars
- Q(a);N_GUARD::R1(E),XS(f)
- S(f);N_SPINS(h)::S(A),XR(c)
- Refutation
- R(c);P_PINQ(G)
- Try
- Actual
- R(E);
- Threat
- QAR1(G),XS(h)
- Vars
- S(h);XB(D)::S(B),XR(b)
- Q(a);N_GUARD::R1(E),XS(f)
- S(f);S_CUTR(b)::S(A)
- S(f);::S(A),XR(c)
- S(h);SBLOCK::B(D)
- S(h);S_CUTR(c)::S(B)
- S(h);::S(B),XR(b)
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