MESON Chess Problem Database
Problem Display
PID: 133566 (Kn2B1R1/5N2/3Qpb1R/4pkp1/2p1r2r/3P1P1n/6N1/1b6 w - - 0 1)
Onkoud, Abdelaziz
Comm., StrateGems, 2009
#2
9 + 11
| 145 | StrateGems | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Ref4
- 2.Se3#
- 1...Rxh6
- 2.Sxh6#
- 1...Be7
- 2.Qxe6#
- 1...Bg7
- 2.Qxe6#
- 1...Bd8
- 2.Qxe6#
- 1...Bh8
- 2.Qxe6#
- 1...g4
- 2.fxe4#
- 1...Ref4
- Tries
- 1.Sxg5?
- threat
- 2.Qxe6#
- 1...Sxg5
- 2.Bg6#
- 1...Sf4
- 2.Sxh4#
- 1...Bg7!
- threat
- 1.Sd8?
- threat
- 2.Bg6#
- 2.Qxe6#
- 1...Rxh6
- 2.Qxe6#
- 1...Bxd8
- 2.Qxe6#
- 1...Be7
- 2.Qxe6#
- 1...Bg7
- 2.Qxe6#
- 1...Bh8
- 2.Qxe6#
- 1...g4
- 2.Qxe6#
- 2.fxe4#
- 1...Sf4!
- threat
- 1.Rxg5+?
- 1...Bxg5
- 2.Qxe6#
- 1...Sxg5!
- 1...Bxg5
- 1.Rgg6?
- threat
- 2.Rxf6#
- 1...Rxh6
- 2.Sxh6#
- 1...Be7
- 2.Qxe6#
- 1...Bg7
- 2.Qxe6#
- 1...Bd8
- 2.Qxe6#
- 1...Bh8
- 2.Qxe6#
- 1...Sd7!
- threat
- 1.Qxe5+?
- 1...Rxe5
- 2.Sd6#
- 1...Bxe5!
- 1...Rxe5
- 1.Qe7?
- threat
- 2.Sd6#
- 2.Rxf6#
- 2.Qxf6#
- 1...Rxh6
- 2.Sd6#
- 2.Sxh6#
- 1...Rd4
- 2.Rxf6#
- 2.Qxf6#
- 1...Bg7
- 2.Sd6#
- 2.Qxe6#
- 1...Bh8
- 2.Sd6#
- 2.Qxe6#
- 1...Sd7
- 2.Sd6#
- 1...Bxe7!
- threat
- 1.Qd5?
- threat
- 2.Sd6#
- 1...Be7
- 2.Qxe6#
- 1...exd5!
- threat
- 1.Qa6?
- threat
- 2.Sd6#
- 1...Be7
- 2.Qxe6#
- 1...Rd4!
- threat
- 1.Qb6?
- threat
- 2.Sd6#
- 1...Be7
- 2.Qxe6#
- 1...Rd4!
- threat
- 1.Qc6?
- threat
- 2.Sd6#
- 1...Be7
- 2.Qxe6#
- 1...Rd4!
- threat
- 1.Qd7?
- threat
- 2.Sd6#
- 1...Be7
- 2.Qxe6#
- 1...Rd4!
- threat
- 1.Qd8?
- threat
- 2.Sd6#
- 2.Rxf6#
- 2.Qxf6#
- 1...Rxh6
- 2.Sd6#
- 2.Sxh6#
- 1...Bxd8
- 2.Sd6#
- 1...Rd4
- 2.Rxf6#
- 2.Qxf6#
- 1...Bg7
- 2.Sd6#
- 1...Bh8
- 2.Sd6#
- 1...Sd7
- 2.Sd6#
- 1...Be7!
- threat
- 1.Sxg5?
- Keys
- 1.Sxe5!
- threat
- 2.Bg6#
- 1...Rxh6
- 2.fxe4#
- 1...Bxe5
- 2.Qxe6#
- 1...Be7
- 2.Qxe6#
- 1...Bg7
- 2.Qxe6#
- 1...Bd8
- 2.Qxe6#
- 1...Bh8
- 2.Qxe6#
- 1...Sf4
- 2.fxe4#
- 1...g4
- 2.fxe4#
- threat
- 1.Sxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(d);N_GUARD,SBLOCK::S(A)
- R(e);XR(E)::S(F),XR(e)
- B(j);::QAB1(D),XP(i)
- P(h);S_CUTR(e)::P(C),XR(d)
- Tries
- Try
- S(F);XP(h)
- Threat
- QAB1(D),XP(i)
- Vars
- S(b);SBLOCK,XS(F)::B(H)
- S(b);SBLOCK,S_CUTR(d)::S(A),XR(e)
- Refutation
- B(j);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(e);XR(E)::QAB1(D),XP(i)
- B(j);XS(F)::QAB1(D),XP(i)
- B(j);::QAB1(D),XP(i)
- Refutation
- S(b);
- Try
- R(I);CHECK,XP(h)
- Vars
- B(j);XR(I)::QAB1(D),XP(i)
- Refutation
- S(b);XR(I)
- Try
- R(I);
- Threat
- R1(I),XB(j)
- Vars
- R(e);XR(E)::S(F),XR(e)
- B(j);::QAB1(D),XP(i)
- Refutation
- S(k);
- Try
- Q(D);CHECK,XP(f)
- Vars
- R(d);SBLOCK,XQ(D)::S(F)
- Refutation
- B(j);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- S(k);::S(F)
- Refutation
- B(j);XQ(D)
- Try
- Q(D);P_PINP(f)
- Threat
- S(F)
- Vars
- B(j);::QAB1(D),XP(i)
- Refutation
- P(i);N_SPINP(f),XQ(D)
- Try
- Q(D);
- Threat
- S(F)
- Vars
- B(j);::QAB1(D),XP(i)
- Refutation
- R(d);
- Try
- Q(D);
- Threat
- S(F)
- Vars
- B(j);::QAB1(D),XP(i)
- Refutation
- R(d);
- Try
- Q(D);
- Threat
- S(F)
- Vars
- B(j);::QAB1(D),XP(i)
- Refutation
- R(d);
- Try
- Q(D);P_PINP(i)
- Threat
- S(F)
- Vars
- B(j);::QAB1(D),XP(i)
- Refutation
- R(d);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(j);XQ(D)::S(F)
- B(j);::S(F)
- S(k);::S(F)
- Refutation
- B(j);
- Try
- Actual
- S(F);XP(f)
- Threat
- B(H)
- Vars
- R(e);N_GUARD,XR(E)::P(C),XR(d)
- B(j);XS(F)::QAB1(D),XP(i)
- B(j);::QAB1(D),XP(i)
- S(b);S_CUTR(e)::P(C),XR(d)
- P(h);S_CUTR(e)::P(C),XR(d)
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