MESON Chess Problem Database
Problem Display
PID: 199337 (2R5/1n3p2/2pnPQ2/N1Pkp1N1/1P1p4/8/6K1/B4B2 w - - 0 1)
Onkoud, Abdelaziz
Freie Presse, 2001
(First published on Fri Jun 8 2001)
#2
10 + 7
| 16210 | Problemschach-Jahrbuch (2001) | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Sc4
- 2.Bxc4#
- 1...Se4
- 2.Bc4#
- 1...Sb5
- 2.Bc4#
- 1...Sf5
- 2.Bc4#
- 1...Sxc8
- 2.Bc4#
- 1...Se8
- 2.Bc4#
- 1...d3
- 2.Qxe5#
- 1...e4
- 2.Qxd4#
- 1...fxe6
- 2.Qxe6#
- 1...Sc4
- Tries
- 1.Sc4?
- threat
- 2.Sb6#
- 2.Qxe5#
- 1...Sxc8
- 2.Qxe5#
- 1...d3
- 2.Se3#
- 2.Sb6#
- 1...e4
- 2.Sb6#
- 2.Qxd4#
- 2.Qe5#
- 1...Sxc4!
- threat
- 1.Sf3?
- threat
- 2.Qxe5#
- 1...Ke4
- 2.Qxe5#
- 1...e4
- 2.Qe5#
- 1...Sc4!
- threat
- 1.Rd8?
- threat
- 2.Bc4#
- 1...Sxa5
- 2.Rxd6#
- 1...d3
- 2.Qxe5#
- 1...Sxd8!
- threat
- 1.Qf3+?
- 1...Se4
- 2.Bc4#
- 2.Qxe4#
- 2.Qb3#
- 1...e4!
- 1...Se4
- 1.exf7?
- threat
- 2.Qe6#
- 1...Sd8
- 2.Qxd6#
- 1...Sxc5!
- threat
- 1.e7?
- 1...Sxc8
- 2.Bc4#
- 2.Qxc6#
- 2.Qxf7#
- 1...Sxa5
- 2.Qxd6#
- 1...Sc4
- 2.Bxc4#
- 2.Qxc6#
- 2.Qxf7#
- 1...Se4
- 2.Bc4#
- 2.Qxc6#
- 2.Qxf7#
- 1...Sb5
- 2.Bc4#
- 2.Qxc6#
- 2.Qxf7#
- 1...Sf5
- 2.Bc4#
- 2.Qxc6#
- 2.Qxf7#
- 1...Se8
- 2.Bc4#
- 2.Qxc6#
- 2.Qxf7#
- 1...Sd8
- 2.Qxd6#
- 1...d3
- 2.Qxe5#
- 1...e4
- 2.Qxd4#
- 1...Sxc5!
- 1...Sxc8
- 1.Sc4?
- Keys
- 1.Rxc6!
- 1...Sxa5
- 2.Rxd6#
- 1...Sxc5
- 2.Rxc5#
- 1...fxe6
- 2.Qxe6#
- 1...Sc4
- 2.Bxc4#
- 1...Se4
- 2.Bc4#
- 1...Sb5
- 2.Bc4#
- 1...Sf5
- 2.Bc4#
- 1...Sc8
- 2.Bc4#
- 1...Se8
- 2.Bc4#
- 1...Sd8
- 2.Rxd6#
- 1...d3
- 2.Qxe5#
- 1...e4
- 2.Qxd4#
- 1...Sxa5
- 1.Rxc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(e);N_GUARD::B(B),XS(e)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD,XR(J)::B(B)
- P(a);::QAR1(I),XP(c)
- P(c);OGATE::QAR1(I),XP(a)
- P(g);OGATE,XP(H)::QAB1(I),XP(g)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(e);XR(J)::QAR1(I),XP(c)
- Refutation
- S(e);XS(E)
- Try
- S(G);
- Threat
- QAR1(I),XP(c)
- Vars
- K(b);S_FLIGHT::QAR1(I),XP(c)
- P(c);::QAR1(I)
- Refutation
- S(e);
- Try
- R(J);P_PINS(e)
- Threat
- B(B)
- Vars
- S(f);N_GUARD,XS(E)::R1(J),XS(e)
- P(a);::QAR1(I),XP(c)
- Refutation
- S(f);N_SPINS(e),XR(J)
- Try
- Q(I);CHECK
- Refutation
- P(c);P_SPINP(c)
- Try
- P(H);XP(g)
- Threat
- QAB1(I)
- Vars
- S(f);N_GUARD::QAR1(I),XS(e)
- Refutation
- S(f);XP(F)
- Try
- P(H);
- Vars
- S(f);N_GUARD,XS(E)::QAR1(I),XS(e)
- S(f);N_GUARD::QAR1(I),XS(e)
- P(a);::QAR1(I),XP(c)
- P(c);OGATE::QAR1(I),XP(a)
- Refutation
- S(f);XP(F)
- Try
- Actual
- R(J);XP(d)
- Vars
- S(f);N_GUARD,XS(E)::R1(J),XS(e)
- S(f);OGATE,XP(F)::R1(J),XS(f)
- P(g);OGATE,XP(H)::QAB1(I),XP(g)
- S(e);N_GUARD::B(B),XS(e)
- S(e);N_GUARD::B(B)
- S(f);N_GUARD::R1(J),XS(e)
- P(a);::QAR1(I),XP(c)
- P(c);OGATE::QAR1(I),XP(a)
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