MESON Chess Problem Database
Problem Display
PID: 18588 (3n3K/5p1N/q4pp1/r4nBk/3Rp2p/4Q2R/p7/8 w - - 0 1)
Mansfield, Comins
American Chess Bulletin, 1957
#2
6 + 11
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Kg4
- 2.Qf3#
- 1...Qf1
- 2.Sxf6#
- 1...Qe2
- 2.Sxf6#
- 2.Qxe2#
- 1...Qd3
- 2.Sxf6#
- 1...Qc4
- 2.Sxf6#
- 1...Qb5
- 2.Sxf6#
- 1...Qb7
- 2.Sxf6#
- 2.Qe2#
- 1...Qc8
- 2.Sxf6#
- 2.Qe2#
- 1...Qb6
- 2.Qe2#
- 1...Qc6
- 2.Qe2#
- 1...Qd6
- 2.Qe2#
- 1...Qe6
- 2.Qe2#
- 1...Qa7
- 2.Sxf6#
- 2.Qe2#
- 1...Qa8
- 2.Sxf6#
- 2.Qe2#
- 1...Rb5
- 2.Qe2#
- 1...Sxe3
- 2.Rxh4#
- 1...Sg3
- 2.Rxh4#
- 1...Sxd4
- 2.Rxh4#
- 1...Sd6
- 2.Sxf6#
- 2.Rxh4#
- 1...Sh6
- 2.Rxh4#
- 1...Se7
- 2.Rxh4#
- 1...Sg7
- 2.Rxh4#
- 1...Sc6
- 2.Sxf6#
- 1...Se6
- 2.Sxf6#
- 1...fxg5
- 2.Qxg5#
- 1...Kg4
- Tries
- 1.Bxf6?
- threat
- 2.Qg5#
- 1...Qxf6+
- 2.Sxf6#
- 1...Kg4
- 2.Qf3#
- 1...Sxe3
- 2.Rxh4#
- 1...Sxd4
- 2.Rxh4#
- 1...g5
- 2.Qxg5#
- 1...Sg3
- 2.Rxh4#
- 1...Sd6
- 2.Rxh4#
- 1...Sh6
- 2.Rxh4#
- 1...Se7
- 2.Rxh4#
- 1...Sg7
- 2.Rxh4#
- 1...Se6!
- threat
- 1.Rc4?
- threat
- 2.Qe2#
- 1...Kg4
- 2.Qf3#
- 1...Qxc4
- 2.Sxf6#
- 1...Sxe3
- 2.Rxh4#
- 1...fxg5
- 2.Qxg5#
- 1...Sg3
- 2.Rxh4#
- 1...Sd4
- 2.Rxh4#
- 1...Sh6
- 2.Rxh4#
- 1...Ra3!
- threat
- 1.Rxe4?
- threat
- 2.Qf3#
- 1...Sxe3
- 2.Rhxh4#
- 2.Rexh4#
- 1...fxg5
- 2.Qxg5#
- 1...Qf1
- 2.Sxf6#
- 1...Qe2
- 2.Sxf6#
- 2.Qxe2#
- 1...Qd3
- 2.Sxf6#
- 1...Sd4
- 2.Rhxh4#
- 2.Rexh4#
- 1...Sh6
- 2.Rhxh4#
- 2.Rexh4#
- 1...Ra3!
- threat
- 1.Qxe4?
- threat
- 2.Qf3#
- 2.Qg4#
- 1...Sxd4
- 2.Rxh4#
- 2.Qxh4#
- 1...Qf1
- 2.Qg4#
- 1...Qe2
- 2.Qxe2#
- 1...Qd3
- 2.Qg4#
- 1...Qb7
- 2.Qg4#
- 1...Qc6
- 2.Qg4#
- 1...Qa8
- 2.Qg4#
- 1...Ra3
- 2.Qg4#
- 1...Se3
- 2.Rxh4#
- 2.Qxh4#
- 1...Sh6
- 2.Rxh4#
- 2.Qxh4#
- 1...fxg5!
- threat
- 1.Bxf6?
- Keys
- 1.Rd3!
- threat
- 2.Qe2#
- 1...Kg4
- 2.Qe2#
- 1...Qxd3
- 2.Sxf6#
- 1...Sxe3
- 2.Rxh4#
- 1...exd3
- 2.Qf3#
- 1...fxg5
- 2.Qxg5#
- 1...Sg3
- 2.Rxh4#
- 1...Sd4
- 2.Rxh4#
- 1...Sh6
- 2.Rxh4#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- K(f);N_SPINP(c),P_SPINP(b),S_FLIGHT::QAB1(A)
- Q(g);N_GUARD::S(E),XP(h)
- Q(g);N_GUARD::QAB(A)
- R(d);S_CUTQ(g)::QAB(A)
- S(e);N_GUARD,XQ(A)::R1(B),XP(c)
- S(e);N_GUARD::R1(B),XP(c)
- S(e);N_GUARD,XR(C)::R1(B),XP(c)
- S(k);S_CUTQ(g)::S(E),XP(h)
- P(h);OGATE,XB(D)::QAR1(A),XP(h)
- Tries
- Try
- B(D);XP(h)
- Threat
- QAR1(A)
- Vars
- Q(g);CHECK,XB(D)::S(E),XQ(g)
- K(f);N_SPINP(c),P_SPINP(b),S_FLIGHT::QAB1(A)
- S(e);N_GUARD,XQ(A)::R1(B),XP(c)
- S(e);N_GUARD,XR(C)::R1(B),XP(c)
- P(i);::QAR1(A),XP(i)
- S(e);N_GUARD::R1(B),XP(c)
- Refutation
- S(k);
- Try
- R(C);
- Threat
- QAB(A)
- Vars
- K(f);N_SPINP(c),P_SPINP(b),S_FLIGHT::QAB1(A)
- Q(g);N_GUARD,XR(C)::S(E),XP(h)
- S(e);N_GUARD,XQ(A)::R1(B),XP(c)
- P(h);OGATE,XB(D)::QAR1(A),XP(h)
- S(e);N_GUARD::R1(B),XP(c)
- Refutation
- R(d);
- Try
- R(C);XP(b)
- Threat
- QAB(A)
- Vars
- P(h);OGATE,XB(D)::QAR1(A),XP(h)
- Q(g);N_GUARD::S(E),XP(h)
- Refutation
- R(d);
- Try
- Q(A);XP(b)
- Threat
- DUALS(2)
- Vars
- Q(g);::QAB1(A)
- Q(g);N_GUARD::QAB(A),XQ(g)
- R(d);::QAB1(A)
- Refutation
- P(h);XB(D)
- Try
- Actual
- R(C);
- Threat
- QAB(A)
- Vars
- K(f);N_SPINP(c),S_FLIGHT::QAB(A)
- Q(g);N_GUARD,XR(C)::S(E),XP(h)
- S(e);N_GUARD,XQ(A)::R1(B),XP(c)
- P(b);N_GUARD,XR(C)::QAB(A)
- P(h);OGATE,XB(D)::QAR1(A),XP(h)
- S(e);N_GUARD::R1(B),XP(c)
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