MESON Chess Problem Database
Problem Display
PID: 136424 (8/8/2P1R3/1NPk1P2/3P2rp/2Rp1p1N/3K1P2/8 w - - 0 1)
Onkoud, Abdelaziz
Neue Osnabrucker Zeitung, 1999
#2
10 + 5
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sf4#
- 1...Rg2
- 2.Sf4#
- 1...Rg3
- 2.Sf4#
- 1...Rxd4
- 2.Sc7#
- 1...Re4
- 2.Rd6#
- 1...Rf4
- 2.Sxf4#
- 1...Rg5
- 2.Sf4#
- 1...Rg6
- 2.Sf4#
- 1...Rg7
- 2.Sf4#
- 1...Rg8
- 2.Sf4#
- 1...Rg1
- Tries
- 1.Kxd3?
- threat
- 2.Sc7#
- 2.Rd6#
- 1...Rg6
- 2.Sf4#
- 2.Sc7#
- 1...Rg7
- 2.Sf4#
- 2.Rd6#
- 1...Rxd4+!
- threat
- 1.Ke3?
- threat
- 2.Sc7#
- 2.Rd6#
- 1...Rxd4
- 2.Sc7#
- 1...Rg6
- 2.Sf4#
- 2.Sc7#
- 1...Rg7
- 2.Sf4#
- 2.Rd6#
- 1...Re4+!
- threat
- 1.Sg5?
- threat
- 2.Rd6#
- 1...Rxd4
- 2.Sc7#
- 1...Rxg5!
- threat
- 1.Rc2?
- 1...Rxd4
- 2.Sc7#
- 1...Rg1
- 2.Sf4#
- 1...Rg2
- 2.Sf4#
- 1...Rg3
- 2.Sf4#
- 1...Re4
- 2.Rd6#
- 1...Rf4
- 2.Sxf4#
- 1...Rg5
- 2.Sf4#
- 1...Rg6
- 2.Sf4#
- 1...Rg7
- 2.Sf4#
- 1...Rg8
- 2.Sf4#
- 1...dxc2!
- 1...Rxd4
- 1.f6?
- 1...Rxd4
- 2.Sc7#
- 1...Rg1
- 2.Sf4#
- 1...Rg2
- 2.Sf4#
- 1...Rg3
- 2.Sf4#
- 1...Re4
- 2.Rd6#
- 1...Rf4
- 2.Sxf4#
- 1...Rg5
- 2.Sf4#
- 1...Rg6
- 2.Sf4#
- 1...Rg7
- 2.Sf4#
- 1...Rg8
- 2.Sf4#
- 1...Kxe6!
- 1...Rxd4
- 1.c7?
- 1...Rg1
- 2.Sf4#
- 1...Rg2
- 2.Sf4#
- 1...Rg3
- 2.Sf4#
- 1...Re4
- 2.Rd6#
- 1...Rf4
- 2.Sxf4#
- 1...Rg5
- 2.Sf4#
- 1...Rg6
- 2.Sf4#
- 1...Rg7
- 2.Sf4#
- 1...Rg8
- 2.Sf4#
- 1...Rxd4!
- 1...Rg1
- 1.Kxd3?
- Keys
- 1.Rc1!
- 1...Rxd4
- 2.Sc7#
- 1...Rg1
- 2.Sf4#
- 1...Rg2
- 2.Sf4#
- 1...Rg3
- 2.Sf4#
- 1...Re4
- 2.Rd6#
- 1...Rf4
- 2.Sxf4#
- 1...Rg5
- 2.Sf4#
- 1...Rg6
- 2.Sf4#
- 1...Rg7
- 2.Sf4#
- 1...Rg8
- 2.Sf4#
- 1...Rxd4
- 1.Rc1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::S(D)
- R(c);N_GUARD,P_PINP(B)::S(D)
- R(c);SBLOCK,XP(E)::S(F)
- R(c);SBLOCK::R1(J)
- R(c);N_GUARD::S(D),XR(c)
- Tries
- Try
- K(A);P-FLIGHT,XP(a)
- Threat
- DUALS(2)
- Refutation
- R(c);CHECK,XP(E)
- Try
- K(A);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(c);XP(E)::S(F)
- Refutation
- R(c);CHECK
- Try
- S(D);
- Threat
- R1(J)
- Vars
- R(c);SBLOCK,XP(E)::S(F)
- Refutation
- R(c);XS(D)
- Try
- R(C);
- Vars
- R(c);SBLOCK,XP(E)::S(F)
- R(c);N_GUARD::S(D)
- R(c);N_GUARD,P_PINP(B)::S(D)
- R(c);SBLOCK::R1(J)
- R(c);N_GUARD::S(D),XR(c)
- Refutation
- P(a);XR(C)
- Try
- P(H);
- Vars
- R(c);SBLOCK,XP(E)::S(F)
- R(c);N_GUARD::S(D)
- R(c);N_GUARD,P_PINP(B)::S(D)
- R(c);SBLOCK::R1(J)
- R(c);N_GUARD::S(D),XR(c)
- Refutation
- K(e);S_FLIGHT,XR(J)
- Try
- P(I);
- Vars
- R(c);N_GUARD::S(D)
- R(c);N_GUARD,P_PINP(B)::S(D)
- R(c);SBLOCK::R1(J)
- R(c);N_GUARD::S(D),XR(c)
- Refutation
- R(c);XP(E)
- Try
- Actual
- R(C);
- Vars
- R(c);SBLOCK,XP(E)::S(F)
- R(c);N_GUARD::S(D)
- R(c);N_GUARD,P_PINP(B)::S(D)
- R(c);SBLOCK::R1(J)
- R(c);N_GUARD::S(D),XR(c)
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