MESON Chess Problem Database
Problem Display
PID: 18435 (8/1p3B2/1P1B1QK1/2rN2P1/P1kr4/2p5/2P1P3/8 w - - 0 1)
Mansfield, Comins
Time & Tide, 1955
#2
10 + 5
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Rd3
- 2.exd3#
- 1...Re4
- 2.Qxc3#
- 1...Rf4
- 2.Qxc3#
- 2.Qxf4#
- 1...Rg4
- 2.Qxc3#
- 1...Rh4
- 2.Qxc3#
- 1...Rdxd5
- 2.Qf4#
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rc7
- 2.Se3#
- 1...Rc8
- 2.Se3#
- 1...Rd1
- Tries
- 1.Kg7?
- 1...Rdxd5
- 2.Qf4#
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Rd3
- 2.exd3#
- 1...Re4
- 2.Qxc3#
- 1...Rf4
- 2.Qxc3#
- 2.Qxf4#
- 1...Rg4
- 2.Qxc3#
- 1...Rh4
- 2.Qxc3#
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rc7
- 2.Se3#
- 1...Rc8
- 2.Se3#
- 1...Rcxd5!
- 1...Rdxd5
- 1.Be7?
- 1...Rdxd5
- 2.Qf4#
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Rd3
- 2.exd3#
- 1...Re4
- 2.Qxc3#
- 1...Rf4
- 2.Qxc3#
- 2.Qxf4#
- 1...Rg4
- 2.Qxc3#
- 1...Rh4
- 2.Qxc3#
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rc7
- 2.Se3#
- 1...Rc8
- 2.Se3#
- 1...Rcxd5!
- 1...Rdxd5
- 1.Bf8?
- 1...Rdxd5
- 2.Qf4#
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Rd3
- 2.exd3#
- 1...Re4
- 2.Qxc3#
- 1...Rf4
- 2.Qxc3#
- 2.Qxf4#
- 1...Rg4
- 2.Qxc3#
- 1...Rh4
- 2.Qxc3#
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rc7
- 2.Se3#
- 1...Rc8
- 2.Se3#
- 1...Rcxd5!
- 1...Rdxd5
- 1.Be6?
- 1...Rdxd5
- 2.Qf4#
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Rd3
- 2.exd3#
- 1...Re4
- 2.Qxc3#
- 1...Rf4
- 2.Qxc3#
- 2.Qxf4#
- 1...Rg4
- 2.Qxc3#
- 1...Rh4
- 2.Qxc3#
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rc7
- 2.Se3#
- 1...Rc8
- 2.Se3#
- 1...Rcxd5!
- 1...Rdxd5
- 1.Bg8?
- 1...Rdxd5
- 2.Qf4#
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Rd3
- 2.exd3#
- 1...Re4
- 2.Qxc3#
- 1...Rf4
- 2.Qxc3#
- 2.Qxf4#
- 1...Rg4
- 2.Qxc3#
- 1...Rh4
- 2.Qxc3#
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rc7
- 2.Se3#
- 1...Rc8
- 2.Se3#
- 1...Rcxd5!
- 1...Rdxd5
- 1.Qe5?
- 1...Rdxd5
- 2.Qf4#
- 2.Qe4#
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Rd3
- 2.exd3#
- 1...Re4
- 2.Qxc3#
- 2.Qxe4#
- 1...Rf4
- 2.Qxc3#
- 2.Qxf4#
- 1...Rg4
- 2.Qxc3#
- 1...Rh4
- 2.Qxc3#
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rc7
- 2.Se3#
- 1...Rc8
- 2.Se3#
- 1...Rcxd5!
- 1...Rdxd5
- 1.Qf2?
- 1...Rdxd5
- 2.Qh4#
- 2.Qxc5#
- 2.Qf4#
- 1...Rd1
- 2.Qxc5#
- 1...Rd2
- 2.Qxc5#
- 1...Rd3
- 2.Qxc5#
- 2.exd3#
- 1...Re4
- 2.Qxc5#
- 1...Rf4
- 2.Qxc5#
- 2.Qxf4#
- 1...Rg4
- 2.Qxc5#
- 1...Rh4
- 2.Qxh4#
- 2.Qxc5#
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rc7
- 2.Se3#
- 1...Rc8
- 2.Se3#
- 1...Rcxd5!
- 1...Rdxd5
- 1.Qf3?
- threat
- 2.Qxc3#
- 1...Rdxd5
- 2.Qe4#
- 2.Qg4#
- 2.Qf4#
- 1...Rd3
- 2.Qxd3#
- 1...Rcxd5!
- threat
- 1.e3?
- threat
- 2.Qxd4#
- 1...Rdxd5
- 2.Qd4#
- 2.Qf4#
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Re4
- 2.Qxc3#
- 2.Qf1#
- 1...Rf4
- 2.Qxc3#
- 2.Qxf4#
- 1...Rg4
- 2.Qxc3#
- 2.Qf1#
- 1...Rh4
- 2.Qxc3#
- 2.Qf1#
- 1...Rd3!
- threat
- 1.Kg7?
- Keys
- 1.Qh8!
- 1...Rdxd5
- 2.Qh4#
- 1...Rcxd5
- 2.Qc8#
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Rd3
- 2.exd3#
- 1...Re4
- 2.Qxc3#
- 1...Rf4
- 2.Qxc3#
- 1...Rg4
- 2.Qxc3#
- 1...Rh4
- 2.Qxc3#
- 2.Qxh4#
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rc7
- 2.Se3#
- 1...Rc8
- 2.Se3#
- 2.Qxc8#
- 1...Rdxd5
- 1.Qh8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(c);OGATE::QAR1(H),XP(a)
- R(c);OGATE::P(B),XR(c)
- R(c);OGATE,P_PINP(E)::QAR1(H),XP(a)
- R(c);OGATEB,P_SPINR(c),XS(D)::QAR(H)
- R(d);::B(J)+S(D),DCHECK
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- R(c);OGATEB,P_SPINR(c),XS(D)::QAR(H)
- R(c);OGATE::QAR1(H),XP(a)
- R(c);OGATE::P(B),XR(c)
- R(c);OGATE,P_PINP(E)::QAR1(H),XP(a)
- R(d);::B(J)+S(D),DCHECK
- R(d);P_PINB(J)::B(J)+S(D),DCHECK
- Refutation
- R(d);P_SPINR(d),XS(D)
- Try
- B(G);
- Vars
- R(c);OGATEB,P_SPINR(c),XS(D)::QAR(H)
- R(c);OGATE::QAR1(H),XP(a)
- R(c);OGATE::P(B),XR(c)
- R(c);OGATE,P_PINP(E)::QAR1(H),XP(a)
- R(d);::B(J)+S(D),DCHECK
- R(d);P_PINQ(H)::B(J)+S(D),DCHECK
- Refutation
- R(d);P_SPINR(d),XS(D)
- Try
- B(G);
- Vars
- R(c);OGATEB,P_SPINR(c),XS(D)::QAR(H)
- R(c);OGATE::QAR1(H),XP(a)
- R(c);OGATE::P(B),XR(c)
- R(c);OGATE,P_PINP(E)::QAR1(H),XP(a)
- R(d);::B(J)+S(D),DCHECK
- R(d);P_PINQ(H)::B(J)+S(D),DCHECK
- Refutation
- R(d);P_SPINR(d),XS(D)
- Try
- B(J);
- Vars
- R(c);OGATEB,P_SPINR(c),XS(D)::QAR(H)
- R(c);OGATE::QAR1(H),XP(a)
- R(c);OGATE::P(B),XR(c)
- R(c);OGATE,P_PINP(E)::QAR1(H),XP(a)
- R(d);::B(J)+S(D),DCHECK
- Refutation
- R(d);P_SPINR(d),XS(D)
- Try
- B(J);
- Vars
- R(c);OGATEB,P_SPINR(c),XS(D)::QAR(H)
- R(c);OGATE::QAR1(H),XP(a)
- R(c);OGATE::P(B),XR(c)
- R(c);OGATE,P_PINP(E)::QAR1(H),XP(a)
- R(d);::B(J)+S(D),DCHECK
- Refutation
- R(d);P_SPINR(d),XS(D)
- Try
- Q(H);
- Vars
- R(c);OGATE::QAR1(H),XP(a)
- R(c);OGATE::P(B),XR(c)
- R(c);OGATE,P_PINP(E)::QAR1(H),XP(a)
- R(d);::B(J)+S(D),DCHECK
- R(d);P_PINB(G)::B(J)+S(D),DCHECK
- Refutation
- R(d);P_SPINR(d),XS(D)
- Try
- Q(H);
- Vars
- R(c);OGATE::QAR1(H),XR(d)
- R(c);OGATE,P_PINP(E)::QAR1(H),XR(d)
- R(d);::B(J)+S(D),DCHECK
- R(d);P_PINB(G)::B(J)+S(D),DCHECK
- Refutation
- R(d);P_SPINR(d),XS(D)
- Try
- Q(H);
- Threat
- QAR1(H),XP(a)
- Vars
- R(c);N_GUARD::QAB1(H),XR(c)
- Refutation
- R(d);P_SPINR(d),XS(D)
- Try
- P(B);
- Threat
- QAR1(H),XR(c)
- Vars
- R(c);OGATE::QAR1(H),XP(a)
- Refutation
- R(c);
- Try
- Actual
- Q(H);
- Vars
- R(c);OGATEB,P_SPINR(c),XS(D)::QAR(H)
- R(d);OGATEB,P_SPINR(d),XS(D)::QAR(H)
- R(c);OGATE::QAR1(H),XP(a)
- R(c);OGATE::P(B),XR(c)
- R(c);OGATE,P_PINP(E)::QAR1(H),XP(a)
- R(d);::B(J)+S(D),DCHECK
- R(d);P_PINB(G)::B(J)+S(D),DCHECK
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