MESON Chess Problem Database
Problem Display
PID: 43099 (7Q/2K1NP2/1p1Bp3/1Pp2rp1/2n1k1p1/1N1R2P1/4P3/8 w - - 0 1)
Leroux, Alexandre
Problemesis, 2002
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Qa8#
- 1...Rf2
- 2.Qa8#
- 1...Rf3
- 2.Qa8#
- 1...Rf4
- 2.Qa8#
- 1...Rd5
- 2.Qh1#
- 1...Re5
- 2.Qh1#
- 1...Rf6
- 2.Qa8#
- 1...Rxf7
- 2.Qa8#
- 1...Sb2
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 1...Sxd6
- 2.Sd2#
- 1...e5
- 2.Qa8#
- 1...Rf1
- Tries
- 1.Kd7?
- 1...Rxf7
- 2.Qa8#
- 1...Sxd6
- 2.Sd2#
- 1...Rf1
- 2.Qa8#
- 1...Rf2
- 2.Qa8#
- 1...Rf3
- 2.Qa8#
- 1...Rf4
- 2.Qa8#
- 1...Rd5
- 2.Qh1#
- 1...Re5
- 2.Qh1#
- 1...Rf6
- 2.Qa8#
- 1...Sb2
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...e5
- 2.Qa8#
- 1...Se5+!
- 1...Rxf7
- 1.Rc3?
- 1...Rxf7
- 2.Qa8#
- 1...Sxd6
- 2.Sd2#
- 1...Sb2
- 2.Sd2#
- 1...Rf1
- 2.Qa8#
- 1...Rf2
- 2.Qa8#
- 1...Rf3
- 2.Qa8#
- 1...Rf4
- 2.Qa8#
- 1...Rd5
- 2.Qh1#
- 1...Re5
- 2.Qh1#
- 1...Rf6
- 2.Qa8#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...e5
- 2.Qa8#
- 1...Se5!
- 1...Rxf7
- 1.Re3+?
- 1...Sxe3
- 2.Sd2#
- 1...Kxe3!
- 1...Sxe3
- 1.Rd4+?
- 1...cxd4
- 2.Qxd4#
- 1...Ke3!
- 1...cxd4
- 1.Qc3?
- threat
- 2.Qxc4#
- 1...Sxd6
- 2.Sd2#
- 2.Re3#
- 1...Sb2
- 2.Sd2#
- 2.Re3#
- 1...Sd2
- 2.Sxd2#
- 2.Re3#
- 1...Sa3
- 2.Sd2#
- 2.Re3#
- 1...Se3
- 2.Sd2#
- 2.Rxe3#
- 1...Sa5
- 2.Sd2#
- 2.Re3#
- 1...Se5
- 2.Sd2#
- 2.Re3#
- 1...Rd5!
- threat
- 1.Qe5+?
- 1...Sxe5
- 2.Sd2#
- 1...Rxe5!
- 1...Sxe5
- 1.Qh7?
- 1...Sb2
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 1...e5
- 2.Qxf5#
- 1...Sxd6!
- 1...Sb2
- 1.f8Q?
- 1...Sxd6
- 2.Sd2#
- 1...Rd5
- 2.Qh1#
- 1...Rf1
- 2.Qa8#
- 1...Rf2
- 2.Qa8#
- 1...Rf3
- 2.Qa8#
- 1...Rf4
- 2.Qa8#
- 1...Re5
- 2.Qh1#
- 1...Rf6
- 2.Qa8#
- 1...Rf7
- 2.Qa8#
- 1...Sb2
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 1...e5
- 2.Qxf5#
- 2.Qa8#
- 1...Rxf8!
- 1...Sxd6
- 1.Kd7?
- Keys
- 1.Qa1!
- 1...Rxf7
- 2.Qa8#
- 1...Sxd6
- 2.Sd2#
- 1...Sb2
- 2.Sd2#
- 1...Rf1
- 2.Qa8#
- 1...Rf2
- 2.Qa8#
- 1...Rf3
- 2.Qa8#
- 1...Rf4
- 2.Qa8#
- 1...Rd5
- 2.Qh1#
- 1...Re5
- 2.Qh1#
- 1...Rf6
- 2.Qa8#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 1...e5
- 2.Qa8#
- 1...Rxf7
- 1.Qa1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::QAB(J)
- R(e);N_GUARD,P_PINS(H),XP(I)::QAB(J)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(a);N_GUARD,XB(F)::S(B)
- P(h);S_CUTR(e)::QAB(J)
- Tries
- Try
- K(G);P-FLIGHT
- Vars
- R(e);N_GUARD,P_PINS(H),XP(I)::QAB(J)
- S(a);N_GUARD,XB(F)::S(B)
- R(e);N_GUARD::QAB(J)
- R(e);N_GUARD,P_PINB(F)::QAB(J)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(h);S_CUTR(e)::QAB(J)
- Refutation
- S(a);CHECK
- Try
- R(C);
- Vars
- R(e);N_GUARD,P_PINS(H),XP(I)::QAB(J)
- S(a);N_GUARD,XB(F)::S(B)
- S(a);N_GUARD::S(B)
- R(e);N_GUARD::QAB(J)
- S(a);N_GUARD::S(B),XS(a)
- P(h);S_CUTR(e)::QAB(J)
- Refutation
- S(a);
- Try
- R(C);CHECK
- Vars
- S(a);SBLOCK,XR(C)::S(B)
- Refutation
- K(b);P-FLIGHT,XR(C)
- Try
- R(C);CHECK
- Vars
- P(d);OGATE,XR(C)::QAR1(J),XP(d)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(J);
- Threat
- QAR2(J),XS(a)
- Refutation
- R(e);
- Try
- Q(J);CHECK
- Vars
- S(a);XQ(J)::S(B)
- Refutation
- R(e);XQ(J)
- Try
- Q(J);P_PINR(e)
- Vars
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(h);N_GUARD::QAB1(J),XR(e)
- Refutation
- S(a);XB(F)
- Try
- P(I);
- Vars
- S(a);N_GUARD,XB(F)::S(B)
- R(e);N_GUARD::QAB(J)
- R(e);N_GUARD::QAB(I)
- R(e);N_GUARD,P_PINS(H)::QAB(I)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(e);XQ(I)
- Try
- Actual
- Q(J);
- Vars
- R(e);N_GUARD,P_PINS(H),XP(I)::QAB(J)
- S(a);N_GUARD,XB(F)::S(B)
- S(a);N_GUARD::S(B)
- R(e);N_GUARD::QAB(J)
- S(a);N_GUARD::S(B),XS(a)
- P(h);S_CUTR(e)::QAB(J)
Developed and maintained by Brian Stephenson.
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