MESON Chess Problem Database
Problem Display
PID: 143345 (1n1rB3/rRQ2N2/2p1P3/p3p1q1/2k1P3/1N1pB3/K2P4/8 w - - 0 1)
Rice, John Michael
1st Comm., The Problemist, 2011
#2
10 + 9
| 56 | The Problemist | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qxe3
- 2.Sxe5#
- 1...Qh4
- 2.Sxe5#
- 1...Qh6
- 2.Sxe5#
- 1...Qe7
- 2.Sxe5#
- 1...Qg1
- 2.Sxe5#
- 1...Qg2
- 2.Sxe5#
- 1...Qg4
- 2.Sxe5#
- 1...Qg6
- 2.Sxe5#
- 1...Qg8
- 2.Sxe5#
- 1...Rd6
- 2.Sxd6#
- 1...Rc8
- 2.Sd6#
- 1...Rxe8
- 2.Sd6#
- 1...Sa6
- 2.Sxa5#
- 1...Sd7
- 2.Sd6#
- 1...c5
- 2.Qxc5#
- 1...Qxe3
- Tries
- 1.Bxc6?
- threat
- 2.Bd5#
- 1...Sxc6
- 2.Qxc6#
- 1...Rd5
- 2.Bxd5#
- 1...Rxb7!
- threat
- 1.Qxe5?
- threat
- 2.Qc3#
- 1...Qxe5
- 2.Sxe5#
- 1...Qf6
- 2.Qc5#
- 1...Qg7
- 2.Qc5#
- 1...Rd4
- 2.Qxd4#
- 1...Rxb7!
- threat
- 1.Qb6?
- threat
- 2.Qc5#
- 1...Qxe3
- 2.Sxe5#
- 1...Qe7
- 2.Sxe5#
- 1...Sa6
- 2.Sxa5#
- 1...Sd7
- 2.Sd6#
- 1...c5
- 2.Qxc5#
- 2.Qb5#
- 1...Rd5!
- threat
- 1.Qd6?
- threat
- 2.Qc5#
- 1...Qxe3
- 2.Sxe5#
- 1...Rxd6
- 2.Sxd6#
- 1...Qe7
- 2.Sxe5#
- 1...Sa6
- 2.Sxa5#
- 1...c5
- 2.Qxc5#
- 1...Sd7!
- threat
- 1.Qxd8?
- threat
- 2.Sd6#
- 1...Qxd8
- 2.Sxe5#
- 1...Qe7
- 2.Sxe5#
- 1...Rxb7!
- threat
- 1.Qe7?
- threat
- 2.Qc5#
- 1...Qxe3
- 2.Sxe5#
- 1...Qxe7
- 2.Sxe5#
- 1...Rd6
- 2.Sxd6#
- 1...Sa6
- 2.Sxa5#
- 1...Sd7
- 2.Sd6#
- 1...c5
- 2.Qxc5#
- 1...Rd5!
- threat
- 1.Bxc6?
- Keys
- 1.Qxa5!
- threat
- 2.Rb4#
- 1...Rxa5+
- 2.Sxa5#
- 1...Rxb7
- 2.Qc5#
- 1...Qe7
- 2.Sxe5#
- 1...Sa6
- 2.Qc3#
- 1...c5
- 2.Bb5#
- threat
- 1.Qxa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- Q(e);N_GUARD,XB(D)::S(I),XP(d)
- Q(e);N_GUARD::S(I),XP(d)
- Q(e);N_GUARD,P_PINP(B)::S(I),XP(d)
- R(i);N_GUARD::S(I),XR(i)
- R(i);N_GUARD::S(I)
- R(i);N_GUARD,XB(J)::S(I)
- S(h);S_CUTR(g)::S(C),XP(c)
- S(h);S_CUTR(i)::S(I)
- P(f);OGATE::QAR1(H),XP(f)
- Tries
- Try
- B(J);XP(f)
- Threat
- QAR(H)+B(J),DCHECK
- Vars
- S(h);OGATE,P_SPINS(h),XB(J)::QAR2(H),XS(h)
- R(i);::QAR(H)+B(J),DCHECK,XR(i)
- Refutation
- R(g);XR(G)
- Try
- Q(H);N_PINP(f),XP(d)
- Threat
- QAR1(H)
- Vars
- Q(e);XQ(H)::S(I),XQ(e)
- Q(e);N_GUARD::QAR1(H)
- R(i);N_GUARD::QAR1(H),XR(i)
- Refutation
- R(g);XR(G)
- Try
- Q(H);N_PINP(f)
- Threat
- QAR1(H)
- Vars
- Q(e);N_GUARD,XB(D)::S(I),XP(d)
- Q(e);N_GUARD::S(I),XP(d)
- S(h);S_CUTR(g)::S(C),XP(c)
- S(h);S_CUTR(i)::S(I)
- Refutation
- R(i);
- Try
- Q(H);N_PINP(f)
- Threat
- QAR1(H)
- Vars
- Q(e);N_GUARD,XB(D)::S(I),XP(d)
- R(i);XQ(H)::S(I),XR(i)
- Q(e);N_GUARD::S(I),XP(d)
- S(h);S_CUTR(g)::S(C),XP(c)
- P(f);::QAR1(H),XP(f)
- Refutation
- S(h);
- Try
- Q(H);N_PINP(f),XR(i)
- Threat
- S(I)
- Vars
- Q(e);N_GUARD,XQ(H)::S(I),XP(d)
- Q(e);N_GUARD::S(I),XP(d)
- Refutation
- R(g);XR(G)
- Try
- Q(H);N_PINP(f)
- Threat
- QAR1(H)
- Vars
- Q(e);N_GUARD,XB(D)::S(I),XP(d)
- Q(e);N_GUARD,XQ(H)::S(I),XP(d)
- R(i);N_GUARD::S(I),XR(i)
- S(h);S_CUTR(g)::S(C),XP(c)
- S(h);S_CUTR(i)::S(I)
- P(f);::QAR1(H),XP(f)
- Refutation
- R(i);
- Try
- Actual
- Q(H);N_PINP(f),P_SPINQ(H),XP(c)
- Threat
- R1(G)
- Vars
- R(g);CHECK,XQ(H)::S(C),XR(g)
- R(g);N_PINQ(H),XR(G)::QAR1(H)
- Q(e);N_GUARD::S(I),XP(d)
- S(h);N_PINQ(H)::QAR1(H)
- P(f);OGATE::B(J)
Developed and maintained by Brian Stephenson.
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