MESON Chess Problem Database
Problem Display
PID: 78658 (3RK3/1b1N4/1p3Pp1/4p3/3Nk3/1B1p1RP1/4rP2/Q7 w - - 0 1)
Kazimov, Islam
1st Prize, Problem Observer, 2008
#2
10 + 7
| 136 | Problem Observer | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Re3#
- 1...Rc2
- 2.Re3#
- 1...Rd2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...exd4
- 2.Rf4#
- 1...b5
- 2.Sc5#
- 1...Ra2
- Tries
- 1.Qc3?
- threat
- 2.Qxd3#
- 1...Rd2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...d2
- 2.Qd3#
- 1...Ba6!
- threat
- 1.Qh1?
- threat
- 2.Rf4#
- 2.Qh4#
- 1...Rxf2
- 2.Qh4#
- 1...exd4
- 2.Rf4#
- 1...d2
- 2.Qh4#
- 1...g5
- 2.Rf4#
- 1...Kxd4!
- threat
- 1.f7?
- threat
- 2.Sf6#
- 1...exd4
- 2.Rf4#
- 1...Bc6!
- threat
- 1.Qc3?
- Keys
- 1.Qa5!
- threat
- 2.Qxe5#
- 1...Kxd4
- 2.Qb4#
- 1...exd4
- 2.Rf4#
- 1...bxa5
- 2.Sc5#
- 1...Bd5
- 2.Qxd5#
- 1...b5
- 2.Sc5#
- threat
- 1.Qa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(a);N_GUARD::R1(D)
- R(a);N_GUARD::R1(D),XR(a)
- P(d);N_GUARD,XS(F)::R1(D)
- P(e);N_GUARD::S(H)
- Tries
- Try
- Q(A);
- Threat
- QAB1(A),XP(b)
- Vars
- R(a);N_GUARD::R1(D)
- R(a);N_GUARD::R1(D),XR(a)
- P(b);::QAB1(A)
- Refutation
- B(g);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(a);XP(B)::QAR(A)
- P(d);SBLOCK,XS(F)::QAB(A)+R(D),DCHECK
- P(b);::QAR(A)
- P(f);::QAB(A)+R(D),DCHECK
- Refutation
- K(c);P-FLIGHT,XS(F)
- Try
- P(G);
- Threat
- S(H)
- Vars
- P(d);N_GUARD,XS(F)::R1(D)
- Refutation
- B(g);P_PINS(H)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A),XP(d)
- Vars
- K(c);OGATEB,P-FLIGHT,XS(F)::QAR2(A)
- P(d);N_GUARD,SBLOCK,XS(F)::R1(D)
- P(e);N_GUARD,XQ(A)::S(H)
- B(g);N_GUARD::QAB1(A),XB(g)
- P(e);N_GUARD::S(H)
Developed and maintained by Brian Stephenson.
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