MESON Chess Problem Database
Problem Display
PID: 51685 (B2R1N1B/6r1/r1qbp3/pP1k2P1/K2P4/3P4/3nN3/4Qn2 w - - 0 1)
Lipton, Michael
Rice, John Michael
The Problemist, 2004
(First published on Mon Mar 1 2004)
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Raa7
- 2.Bxc6#
- 1...Rxg5
- 2.Sc3#
- 2.Sf4#
- 1...Rg6
- 2.Sc3#
- 2.Sf4#
- 1...Rga7
- 2.Sc3#
- 2.Sf4#
- 1...Rb7
- 2.Sf4#
- 1...Rc7
- 2.Sc3#
- 2.Sf4#
- 1...Rd7
- 2.Sc3#
- 1...Re7
- 2.Sc3#
- 2.Sf4#
- 1...Rf7
- 2.Sc3#
- 1...Rh7
- 2.Sc3#
- 2.Sf4#
- 1...Rg8
- 2.Sc3#
- 2.Sf4#
- 1...Raa7
- Tries
- 1.Sxe6?
- threat
- 2.Sc3#
- 2.S2f4#
- 2.S6f4#
- 1...Rxa8
- 2.S2f4#
- 2.S6f4#
- 1...Se3
- 2.S2f4#
- 2.S6f4#
- 1...Rb7
- 2.S2f4#
- 2.S6f4#
- 1...Rd7
- 2.Sc3#
- 1...Rf7
- 2.Sc3#
- 1...Sb1
- 2.S2f4#
- 2.S6f4#
- 1...Se4
- 2.S2f4#
- 2.S6f4#
- 1...Kxe6!
- threat
- 1.Sg6?
- threat
- 2.Sgf4#
- 1...Rxg6
- 2.Sc3#
- 2.Sf4#
- 1...Rd7
- 2.Sc3#
- 1...Rf7
- 2.Sc3#
- 1...e5!
- threat
- 1.Bxg7?
- threat
- 2.Sc3#
- 2.Sf4#
- 1...Rxa8
- 2.Sf4#
- 1...Sb1
- 2.Sf4#
- 1...Se4
- 2.Sf4#
- 1...e5!
- threat
- 1.Qf2?
- threat
- 2.Sc3#
- 2.Sf4#
- 1...Rxa8
- 2.Sf4#
- 1...Rb7
- 2.Sf4#
- 1...Rd7
- 2.Sc3#
- 1...Rf7
- 2.Sc3#
- 1...Sb1
- 2.Sf4#
- 2.Qg2#
- 2.Qf3#
- 1...Se4
- 2.Sf4#
- 1...e5
- 2.Sc3#
- 1...Se3!
- threat
- 1.Qg3?
- threat
- 2.Rxd6#
- 2.Qe5#
- 2.Qxd6#
- 1...Qxa8
- 2.Qe5#
- 1...Rxa8
- 2.Qe5#
- 1...Rxg5
- 2.Sc3#
- 2.Sf4#
- 2.Rxd6#
- 2.Qxd6#
- 1...Qb7
- 2.Qe5#
- 1...Rb7
- 2.Sf4#
- 2.Qe5#
- 1...Rd7
- 2.Sc3#
- 1...Sf3
- 2.Rxd6#
- 2.Qxd6#
- 2.Qxf3#
- 1...Sc4
- 2.Qg2#
- 2.Qf3#
- 1...Se4
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Sxg3!
- threat
- 1.Qh4?
- threat
- 2.Sc3#
- 1...Rb7
- 2.Sf4#
- 1...Sb1
- 2.Qh1#
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Rxa8!
- threat
- 1.Qa1?
- threat
- 2.Sf4#
- 1...Rd7
- 2.Sc3#
- 1...Rf7
- 2.Sc3#
- 1...e5!
- threat
- 1.Sxe6?
- Keys
- 1.Qc1!
- threat
- 2.Qc5#
- 1...Rxa8
- 2.Qxc6#
- 1...Rb7
- 2.Sf4#
- 1...Rd7
- 2.Sc3#
- 1...Sb3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Se4
- 2.Qc4#
- threat
- 1.Qc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- R(e);N_GUARD::B(H),XQ(f)
- R(i);N_SPINQ(f)::S(B)
- R(i);N_SPINB(g)::S(B)
- R(i);::S(B)
- Tries
- Try
- S(J);XP(h)
- Threat
- DUALS(3)
- Vars
- R(i);N_SPINB(g)::S(B)
- R(i);::S(B)
- Refutation
- K(d);N_SPINB(g),N_SPINQ(f),S_FLIGHT,XS(J)
- Try
- S(J);
- Threat
- S(J)
- Vars
- R(i);N_SPINB(g)::S(B)
- R(i);::S(B)
- Refutation
- P(h);
- Try
- B(K);XR(i)
- Threat
- DUALS(2)
- Vars
- R(e);N_SPINQ(f),XB(H)::S(B)
- S(b);::S(B)
- Refutation
- P(h);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(e);N_SPINQ(f),XB(H)::S(B)
- R(i);N_SPINQ(f)::S(B)
- R(i);N_SPINB(g)::S(B)
- R(i);::S(B)
- S(b);::S(B)
- P(h);::S(B)
- Refutation
- S(a);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- Q(f);N_PINP(F),N_SPINQ(f),XB(H)::QAR1(A)
- R(e);N_SPINQ(f),XB(H)::QAR1(A)
- Q(f);N_PINP(F)::QAR1(A)
- R(i);N_SPINB(g)::S(B)
- S(b);::QAR1(A)
- P(h);::QAR1(A),XP(h)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);
- Threat
- S(B)
- Vars
- R(i);N_SPINQ(f)::S(B)
- S(b);N_GUARD::QAB1(A),XS(b)
- Refutation
- R(e);N_SPINQ(f),XB(H)
- Try
- Q(A);
- Threat
- S(B)
- Vars
- R(i);N_SPINB(g)::S(B)
- R(i);::S(B)
- Refutation
- P(h);
- Try
- Actual
- Q(A);
- Threat
- QAR1(A)
- Vars
- R(e);N_GUARD,N_SPINQ(f),XB(H)::QAB1(A),XQ(f)
- R(i);N_SPINQ(f)::S(B)
- R(i);N_SPINB(g)::S(B)
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
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