MESON Chess Problem Database
Problem Display
PID: 52233 (8/5Q1p/N4b1p/2prpp2/2RnkpPP/3rpN2/1n1R1BK1/1B6 w - - 0 1)
Onkoud, Abdelaziz
Probleemblad, 2004
(First published on Mon Mar 1 2004)
#2
10 + 13
SOLUTION
- SOUND
- Sets
- 1...Rd6
- 2.Sxc5#
- 1...Rd7
- 2.Sxc5#
- 1...Rd8
- 2.Sxc5#
- 1...Bxh4
- 2.Qxf5#
- 1...Bg5
- 2.Qxf5#
- 1...Be7
- 2.Qxf5#
- 1...Bg7
- 2.Qxf5#
- 1...Bd8
- 2.Qxf5#
- 1...Bh8
- 2.Qxf5#
- 1...Sd1
- 2.Bxd3#
- 1...Sa4
- 2.Bxd3#
- 1...Sxc4
- 2.Bxd3#
- 1...exd2
- 2.Sxd2#
- 1...exf2
- 2.Re2#
- 1...e2
- 2.Rxe2#
- 1...fxg4
- 2.Qxh7#
- 1...Rd6
- Tries
- 1.Sg5+?
- 1...Bxg5
- 2.Qxf5#
- 1...hxg5!
- 1...Bxg5
- 1.Bc2?
- 1...Bxh4
- 2.Qxf5#
- 1...Sxc4
- 2.Bxd3#
- 1...exd2
- 2.Sxd2#
- 1...exf2
- 2.Re2#
- 1...fxg4
- 2.Qxh7#
- 1...Rd6
- 2.Sxc5#
- 1...Rd7
- 2.Sxc5#
- 1...Rd8
- 2.Sxc5#
- 1...Bg5
- 2.Qxf5#
- 1...Be7
- 2.Qxf5#
- 1...Bg7
- 2.Qxf5#
- 1...Bd8
- 2.Qxf5#
- 1...Bh8
- 2.Qxf5#
- 1...Sd1
- 2.Bxd3#
- 1...Sa4
- 2.Bxd3#
- 1...e2
- 2.Rxe2#
- 1...h5!
- 1...Bxh4
- 1.Bg1?
- 1...Bxh4
- 2.Qxf5#
- 1...Sxc4
- 2.Bxd3#
- 1...exd2
- 2.Sxd2#
- 1...fxg4
- 2.Qxh7#
- 1...Rd6
- 2.Sxc5#
- 1...Rd7
- 2.Sxc5#
- 1...Rd8
- 2.Sxc5#
- 1...Bg5
- 2.Qxf5#
- 1...Be7
- 2.Qxf5#
- 1...Bg7
- 2.Qxf5#
- 1...Bd8
- 2.Qxf5#
- 1...Bh8
- 2.Qxf5#
- 1...Sd1
- 2.Bxd3#
- 1...Sa4
- 2.Bxd3#
- 1...e2
- 2.Rxe2#
- 1...h5!
- 1...Bxh4
- 1.Rxb2?
- 1...Bxh4
- 2.Qxf5#
- 1...exf2
- 2.Re2#
- 1...fxg4
- 2.Qxh7#
- 1...Rd6
- 2.Sxc5#
- 1...Rd7
- 2.Sxc5#
- 1...Rd8
- 2.Sxc5#
- 1...Bg5
- 2.Qxf5#
- 1...Be7
- 2.Qxf5#
- 1...Bg7
- 2.Qxf5#
- 1...Bd8
- 2.Qxf5#
- 1...Bh8
- 2.Qxf5#
- 1...e2
- 2.Sd2#
- 2.Rxe2#
- 1...h5!
- 1...Bxh4
- 1.Re2?
- threat
- 2.Sd2#
- 1...fxg4
- 2.Qxh7#
- 1...Sxc4!
- threat
- 1.Rxd3?
- threat
- 2.Rxe3#
- 2.Rdxd4#
- 1...exf2
- 2.Sd2#
- 1...e2
- 2.Sd2#
- 2.Re3#
- 2.Rdxd4#
- 1...Sxd3!
- threat
- 1.Qe6?
- threat
- 2.Qxf5#
- 1...Sxc4
- 2.Bxd3#
- 1...exf2
- 2.Re2#
- 1...Rd6
- 2.Sxc5#
- 1...Rd7
- 2.Sxc5#
- 1...Rd8
- 2.Sxc5#
- 1...fxg4!
- threat
- 1.Qxf6?
- threat
- 2.Qxf5#
- 1...Sxc4
- 2.Bxd3#
- 1...exf2
- 2.Re2#
- 1...Rd6
- 2.Qxe5#
- 1...Rd7
- 2.Qxe5#
- 1...Rd8
- 2.Qxe5#
- 1...fxg4!
- threat
- 1.Qb7?
- threat
- 2.Sxc5#
- 1...exf2
- 2.Re2#
- 1...fxg4
- 2.Qxh7#
- 1...Sa4
- 2.Bxd3#
- 1...Be7!
- threat
- 1.Sg5+?
- Keys
- 1.h5!
- 1...Sxc4
- 2.Bxd3#
- 1...exd2
- 2.Sxd2#
- 1...exf2
- 2.Re2#
- 1...fxg4
- 2.Qxh7#
- 1...Rd6
- 2.Sxc5#
- 1...Rd7
- 2.Sxc5#
- 1...Rd8
- 2.Sxc5#
- 1...Bh4
- 2.Qxf5#
- 1...Bg5
- 2.Qxf5#
- 1...Be7
- 2.Qxf5#
- 1...Bg7
- 2.Qxf5#
- 1...Bd8
- 2.Qxf5#
- 1...Bh8
- 2.Qxf5#
- 1...Sd1
- 2.Bxd3#
- 1...Sa4
- 2.Bxd3#
- 1...e2
- 2.Rxe2#
- 1...Sxc4
- 1.h5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD::S(I),XP(g)
- B(k);OGATE,XP(H)::QAB1(J),XP(j)
- B(k);OGATE::QAB1(J),XP(j)
- S(a);N_GUARD::B(A),XR(b)
- S(a);N_GUARD,N_SPINS(d),XR(F)::B(A),XR(b)
- P(c);XR(B)::S(E),XP(c)
- P(c);OGATEB,XB(C)::R(B)
- P(c);OGATEB::R(B),XP(c)
- P(j);OGATEB,XP(G)::QAB(J),XP(m)
- Tries
- Try
- S(E);CHECK
- Vars
- B(k);OGATE,XS(E)::QAB1(J),XP(j)
- Refutation
- P(l);XS(E)
- Try
- B(A);
- Vars
- B(k);OGATE,XP(H)::QAB1(J),XP(j)
- S(a);N_GUARD,N_SPINS(d),XR(F)::B(A),XR(b)
- P(c);XR(B)::S(E),XP(c)
- P(c);OGATEB,XB(C)::R(B)
- P(j);OGATEB,XP(G)::QAB(J),XP(m)
- R(h);N_GUARD::S(I),XP(g)
- B(k);OGATE::QAB1(J),XP(j)
- S(a);N_GUARD::B(A),XR(b)
- P(c);OGATEB::R(B),XP(c)
- Refutation
- P(l);
- Try
- B(C);
- Vars
- B(k);OGATE,XP(H)::QAB1(J),XP(j)
- S(a);N_GUARD,N_SPINS(d),XR(F)::B(A),XR(b)
- P(c);XR(B)::S(E),XP(c)
- P(j);OGATEB,XP(G)::QAB(J),XP(m)
- R(h);N_GUARD::S(I),XP(g)
- B(k);OGATE::QAB1(J),XP(j)
- S(a);N_GUARD::B(A),XR(b)
- P(c);OGATEB::R(B),XP(c)
- Refutation
- P(l);
- Try
- R(B);XS(a)
- Vars
- B(k);OGATE,XP(H)::QAB1(J),XP(j)
- P(c);OGATEB,XB(C)::R(B)
- P(j);OGATEB,XP(G)::QAB(J),XP(m)
- R(h);N_GUARD::S(I),XP(g)
- B(k);OGATE::QAB1(J),XP(j)
- Refutation
- P(l);
- Try
- R(B);P_PINP(c)
- Threat
- S(E)
- Vars
- P(j);OGATEB,XP(G)::QAB(J),XP(m)
- Refutation
- S(a);N_SPINS(d),XR(F)
- Try
- R(B);XR(b)
- Threat
- DUALS(2)
- Vars
- P(c);N_GUARD,XB(C)::S(E)
- Refutation
- S(a);N_SPINS(d),P_SPINS(a),XR(B)
- Try
- Q(J);P_PINP(i)
- Threat
- QAB1(J),XP(j)
- Vars
- S(a);N_GUARD,N_SPINS(d),XR(F)::B(A),XR(b)
- P(c);OGATEB,XB(C)::R(B)
- R(h);N_GUARD::S(I),XP(g)
- Refutation
- P(j);XP(G)
- Try
- Q(J);XB(k)
- Threat
- QAB1(J),XP(j)
- Vars
- S(a);N_GUARD,N_SPINS(d),XR(F)::B(A),XR(b)
- P(c);OGATEB,XB(C)::R(B)
- R(h);N_GUARD::QAR1(J),XP(i)
- Refutation
- P(j);XP(G)
- Try
- Q(J);
- Threat
- S(I),XP(g)
- Vars
- P(c);OGATEB,XB(C)::R(B)
- P(j);OGATEB,XP(G)::QAB(J),XP(m)
- S(a);N_GUARD::B(A),XR(b)
- Refutation
- B(k);
- Try
- Actual
- P(H);
- Vars
- S(a);N_GUARD,N_SPINS(d),XR(F)::B(A),XR(b)
- P(c);XR(B)::S(E),XP(c)
- P(c);OGATEB,XB(C)::R(B)
- P(j);OGATEB,XP(G)::QAB(J),XP(m)
- R(h);N_GUARD::S(I),XP(g)
- B(k);OGATE::QAB1(J),XP(j)
- S(a);N_GUARD::B(A),XR(b)
- P(c);OGATEB::R(B),XP(c)
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