MESON Chess Problem Database
Problem Display
PID: 55885 (B1N5/pR6/2Q2P2/3rP1K1/3Pk3/bN4n1/2n1PP2/2r5 w - - 0 1)
Mansfield, Comins
Problemas, 1978
#2
11 + 7
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxc2#
- 1...Rb1
- 2.Qxc2#
- 1...Re1
- 2.Qxc2#
- 1...Rf1
- 2.Qxc2#
- 1...Rg1
- 2.Qxc2#
- 1...Rh1
- 2.Qxc2#
- 1...Bb2
- 2.Sd6#
- 1...Bd6
- 2.Sxd6#
- 1...Se3
- 2.f3#
- 1...Sb4
- 2.Sd6#
- 1...Ra1
- Tries
- 1.Rb4?
- threat
- 2.Sd2#
- 2.Sc5#
- 2.Sd6#
- 2.Qxd5#
- 1...Bxb4
- 2.Qxd5#
- 1...Sxb4
- 2.Sd6#
- 1...Sxd4
- 2.Qxd5#
- 1...Rd1
- 2.Sc5#
- 2.Sd6#
- 2.Qxd5#
- 1...Sa1
- 2.Sd2#
- 2.Sd6#
- 2.Qxd5#
- 1...Se1
- 2.Sd2#
- 2.Sd6#
- 2.Qxd5#
- 1...Se3
- 2.Sd2#
- 2.Sd6#
- 2.f3#
- 1...Sf1
- 2.Sc5#
- 2.Sd6#
- 2.Qxd5#
- 1...Sf5
- 2.Sd2#
- 2.Sc5#
- 2.Qxd5#
- 1...Sxe2!
- threat
- 1.Rb5?
- threat
- 2.Qxd5#
- 1...Se3
- 2.f3#
- 1...Sb4
- 2.Sd6#
- 1...Sxe2!
- threat
- 1.Rb6?
- threat
- 2.Qxd5#
- 1...Se3
- 2.f3#
- 1...Sb4
- 2.Sd6#
- 1...Sxe2!
- threat
- 1.Rxa7?
- threat
- 2.Qxd5#
- 1...Se3
- 2.f3#
- 1...Sb4
- 2.Sd6#
- 1...Sxe2!
- threat
- 1.Rc7?
- threat
- 2.Qxd5#
- 1...Se3
- 2.f3#
- 1...Sb4
- 2.Sd6#
- 1...Sxe2!
- threat
- 1.Rd7?
- threat
- 2.Qxd5#
- 1...Se3
- 2.f3#
- 1...Sb4
- 2.Sd6#
- 1...Sxe2!
- threat
- 1.Re7?
- threat
- 2.Qxd5#
- 1...Se3
- 2.f3#
- 1...Sb4
- 2.Sd6#
- 1...Sxe2!
- threat
- 1.Rf7?
- threat
- 2.Qxd5#
- 1...Se3
- 2.f3#
- 1...Sb4
- 2.Sd6#
- 1...Sxe2!
- threat
- 1.Rg7?
- threat
- 2.Qxd5#
- 1...Se3
- 2.f3#
- 1...Sb4
- 2.Sd6#
- 1...Sxe2!
- threat
- 1.Rh7?
- threat
- 2.Rh4#
- 2.Qxd5#
- 1...Sxd4
- 2.Qxd5#
- 1...Rh1
- 2.Qxd5#
- 2.Qxc2#
- 1...Se3
- 2.f3#
- 1...Sb4
- 2.Sd6#
- 2.Rh4#
- 1...Sf5
- 2.Qxd5#
- 1...Sh5
- 2.Qxd5#
- 1...Sxe2!
- threat
- 1.Rb8?
- threat
- 2.Qxd5#
- 1...Se3
- 2.f3#
- 1...Sb4
- 2.Sd6#
- 1...Sxe2!
- threat
- 1.Rb4?
- Keys
- 1.Qe6!
- threat
- 2.Qg4#
- 1...Rxe5+
- 2.Qxe5#
- 1...Rxd4
- 2.Rb4#
- 1...Sxd4
- 2.Sd2#
- 1...Sxe2
- 2.Qf5#
- 1...Ra5
- 2.Rb5#
- 1...Rb5
- 2.Rxb5#
- 1...Rc5
- 2.Sd6#
- 1...Rd6
- 2.exd6#
- 1...Rd7
- 2.Rxd7#
- 1...Rd8
- 2.Rd7#
- 1...Se3
- 2.f3#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 9
- Sets
- R(a);N_GUARD::QAB(G),XS(b)
- B(c);N_GUARD::S(K)
- B(c);N_GUARD::S(K),XB(c)
- S(b);SBLOCK::P(B)
- S(b);S_CUTB(c)::S(K)
- Tries
- Try
- R(I);
- Threat
- DUALS(4)
- Vars
- B(c);XR(I)::QAB1(G),XR(f)
- S(b);XR(I)::S(K)
- S(b);P_SPINS(b),XP(D)::QAB1(G),XR(f)
- Refutation
- S(d);XP(A)
- Try
- R(I);
- Threat
- QAB1(G),XR(f)
- Vars
- S(b);SBLOCK::P(B)
- S(b);S_CUTB(c)::S(K)
- Refutation
- S(d);XP(A)
- Try
- R(I);
- Threat
- QAB1(G),XR(f)
- Vars
- S(b);SBLOCK::P(B)
- S(b);S_CUTB(c)::S(K)
- Refutation
- S(d);XP(A)
- Try
- R(I);XP(g)
- Threat
- QAB1(G),XR(f)
- Vars
- S(b);SBLOCK::P(B)
- S(b);S_CUTB(c)::S(K)
- Refutation
- S(d);XP(A)
- Try
- R(I);
- Threat
- QAB1(G),XR(f)
- Vars
- S(b);SBLOCK::P(B)
- S(b);S_CUTB(c)::S(K)
- Refutation
- S(d);XP(A)
- Try
- R(I);
- Threat
- QAB1(G),XR(f)
- Vars
- S(b);SBLOCK::P(B)
- S(b);S_CUTB(c)::S(K)
- Refutation
- S(d);XP(A)
- Try
- R(I);
- Threat
- QAB1(G),XR(f)
- Vars
- S(b);SBLOCK::P(B)
- S(b);S_CUTB(c)::S(K)
- Refutation
- S(d);XP(A)
- Try
- R(I);
- Threat
- QAB1(G),XR(f)
- Vars
- S(b);SBLOCK::P(B)
- S(b);S_CUTB(c)::S(K)
- Refutation
- S(d);XP(A)
- Try
- R(I);
- Threat
- QAB1(G),XR(f)
- Vars
- S(b);SBLOCK::P(B)
- S(b);S_CUTB(c)::S(K)
- Refutation
- S(d);XP(A)
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::QAB1(G),XR(f)
- S(b);SBLOCK::P(B)
- S(d);N_PINP(E)::QAB1(G),XR(f)
- S(d);::QAB1(G),XR(f)
- Refutation
- S(d);XP(A)
- Try
- R(I);
- Threat
- QAB1(G),XR(f)
- Vars
- S(b);SBLOCK::P(B)
- S(b);S_CUTB(c)::S(K)
- Refutation
- S(d);XP(A)
- Try
- Actual
- Q(G);N_PINR(f)
- Threat
- QAR2(G)
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XP(E)::QAR1(G),XR(f)
- R(f);N_PINP(E),OGATEB,XP(D)::B(J)+R(I)
- S(b);SBLOCK,XP(D)::S(C)
- S(d);N_GUARD,XP(A)::QAB1(G)
- R(f);OGATEB::B(J)+R(I)
- R(f);OGATEB::B(J)+R(I),XR(f)
- R(f);N_GUARD,S_CUTB(c)::S(K)
- R(f);N_PINP(E)::QAR(G)+P(E),XR(f)
- R(f);N_PINP(E),OGATEB::B(J)+R(I),XR(f)
- R(f);N_PINP(E),OGATEB::B(J)+R(I)
- S(b);SBLOCK::P(B)
- S(d);N_GUARD,N_PINP(E)::QAB1(G),XS(d)
- S(d);N_GUARD::QAB1(G)
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