MESON Chess Problem Database
Problem Display
PID: 138226 (3b4/3R4/1N1pkPp1/1prq4/1p4P1/1B1R4/1BnQP3/3K4 w - - 0 1)
Lipton, Michael
5th HM., The Problemist Supplement, 2010
#2
10 + 9
| 56 | The Problemist | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qxb3
- 2.R3xd6#
- 1...Qc4
- 2.R3xd6#
- 1...Rc6
- 2.Bxd5#
- 1...Rc7
- 2.Bxd5#
- 1...Rc8
- 2.Bxd5#
- 1...Bxb6
- 2.Re7#
- 1...Bc7
- 2.Re7#
- 1...Be7
- 2.Rxe7#
- 1...Sa1
- 2.Re3#
- 2.Qe3#
- 1...Se1
- 2.Re3#
- 2.Qe3#
- 1...Sa3
- 2.Re3#
- 2.Qe3#
- 1...Se3+
- 2.Rxe3#
- 2.Qxe3#
- 1...Qxb3
- Tries
- 1.Rf3?
- 1...Se3+
- 2.Rxe3#
- 1...Qxb3
- 2.Qxd6#
- 1...Bxb6
- 2.Re7#
- 1...Bxf6
- 2.Rxf6#
- 1...Rc3
- 2.Qxd5#
- 1...Be7
- 2.Rxe7#
- 1...Sd4
- 2.Qe3#
- 1...Qc4
- 2.Qxd6#
- 1...Rc4
- 2.Qxd5#
- 1...Rc6
- 2.Bxd5#
- 2.Qxd5#
- 1...Rc7
- 2.Bxd5#
- 2.Qxd5#
- 1...Rc8
- 2.Bxd5#
- 2.Qxd5#
- 1...Bc7
- 2.Re7#
- 1...Sa1
- 2.Re3#
- 1...Se1
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...g5!
- 1...Se3+
- 1.Qf4?
- threat
- 2.Qxd6#
- 2.Qe4#
- 1...Se3+
- 2.Qxe3#
- 1...Qxb3
- 2.R3xd6#
- 2.Qxd6#
- 1...Bxb6
- 2.Re7#
- 2.Qxd6#
- 1...Bxf6
- 2.Qxd6#
- 2.Qxf6#
- 1...Be7
- 2.Rxe7#
- 1...Qc4
- 2.R3xd6#
- 2.Qxd6#
- 1...Rc3
- 2.Bxd5#
- 2.Qxd6#
- 1...Rc6
- 2.Bxd5#
- 2.Qe4#
- 1...Bc7
- 2.Re7#
- 2.Qe4#
- 1...Sd4
- 2.Re3#
- 2.Qxd6#
- 1...Rc4!
- threat
- 1.Rf3?
- Keys
- 1.Qg5!
- 1...Se3+
- 2.Qxe3#
- 1...Qxb3
- 2.R3xd6#
- 1...Bxb6
- 2.Re7#
- 1...Bxf6
- 2.Qxf6#
- 1...Be7
- 2.Rxe7#
- 1...Qc4
- 2.R3xd6#
- 1...Rc3
- 2.Bxd5#
- 1...Rc4
- 2.Qxd5#
- 1...Rc6
- 2.Bxd5#
- 2.Qxd5#
- 1...Rc7
- 2.Bxd5#
- 2.Qxd5#
- 1...Rc8
- 2.Bxd5#
- 2.Qxd5#
- 1...Bc7
- 2.Re7#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Sd4
- 2.Re3#
- 1...Se3+
- 1.Qg5!
This is after
After Gordian.
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 3
- Sets
- Q(e);N_SPINQ(e),OGATE,XB(E)::R1(F),XP(f)
- Q(e);OGATE::R1(F),XP(f)
- R(d);N_GUARD::B(E),XQ(e)
- B(i);N_GUARD,XS(H)::R1(J)
- B(i);N_GUARD::R1(J)
- B(i);N_GUARD::R1(J),XB(i)
- Tries
- Try
- R(F);P_SPINQ(C)
- Vars
- S(a);CHECK,N_GUARD::R(F),XS(a)
- Q(e);N_PINQ(C),N_SPINQ(e),XB(E)::QAR1(C),XP(f)
- B(i);N_GUARD,XS(H)::R1(J)
- B(i);OGATE,XP(I)::R1(F),XB(i)
- R(d);N_GUARD::QAB1(C),XQ(e)
- B(i);N_GUARD::R1(J),XB(i)
- S(a);N_PINQ(C)::QAR(C)
- Q(e);N_PINQ(C)::QAR1(C),XP(f)
- R(d);N_GUARD,N_SPINQ(e)::QAB1(C),XQ(e)
- B(i);N_GUARD::R1(J)
- S(a);N_GUARD::R(F)
- Refutation
- P(h);
- Try
- Q(C);P_SPINR(F)
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::QAR(C),XS(a)
- B(i);N_GUARD::R1(J),XB(i)
- Refutation
- R(d);N_SPINQ(e)
- Try
- Actual
- Q(C);P_SPINR(F)
- Vars
- S(a);CHECK,N_GUARD::QAR(C),XS(a)
- Q(e);N_PINR(F),N_SPINQ(e),XB(E)::R1(F),XP(f)
- B(i);N_GUARD,XS(H)::R1(J)
- B(i);OGATE,XP(I)::QAR1(C),XB(i)
- B(i);N_GUARD::R1(J),XB(i)
- Q(e);N_PINR(F)::R1(F),XP(f)
- R(d);N_GUARD::B(E),XQ(e)
- R(d);N_GUARD,N_SPINQ(e)::QAB1(C),XQ(e)
- B(i);N_GUARD::R1(J)
- S(a);N_GUARD::QAR(C)
- S(a);N_PINR(F)::R(F)
Developed and maintained by Brian Stephenson.
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