MESON Chess Problem Database
Problem Display
PID: 156059 (8/5K2/3pB3/n3k3/3np2p/N3R2N/1Q1p4/8 w - - 0 1)
Sheldon, Alfred King
Falkirk Herald, 1917
#2
6 + 7
| 15351 | SCPF/BCPS Black Books | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sc6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...d1Q
- 2.Qh2#
- 1...d1S
- 2.Qh2#
- 1...d1B
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...d5
- 2.Qb8#
- 1...Sb3
- Tries
- 1.Ke7?
- 1...d1Q
- 2.Qh2#
- 1...d1S
- 2.Qh2#
- 1...d1B
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sb7
- 2.Sc4#
- 1...d5
- 2.Qb8#
- 1...Sc6+!
- 1...d1Q
- 1.Sf2?
- threat
- 2.Sd3#
- 2.Rxe4#
- 1...d5
- 2.Qb8#
- 1...d1Q
- 2.Rxe4#
- 1...d1R
- 2.Rxe4#
- 1...Kf4!
- threat
- 1.Sf4?
- threat
- 2.Sd3#
- 2.Sg6#
- 1...d5
- 2.Qb8#
- 1...d1Q
- 2.Sg6#
- 1...d1R
- 2.Sg6#
- 1...Kxf4!
- threat
- 1.Sg5?
- threat
- 2.Rxe4#
- 1...d5
- 2.Qb8#
- 1...Kf4!
- threat
- 1.Rb3?
- 1...Sxb3
- 2.Sc4#
- 1...e3
- 2.Rxe3#
- 1...d1Q
- 2.Qh2#
- 1...d1S
- 2.Qh2#
- 1...d1B
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...Sc4
- 2.Sxc4#
- 1...Sc6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...d5!
- 1...Sxb3
- 1.Rd3?
- threat
- 2.Qxd4#
- 1...d5
- 2.Qb8#
- 1...Sb3
- 2.Sc4#
- 1...Sc6
- 2.Sc4#
- 1...exd3!
- threat
- 1.Rf3?
- threat
- 2.Rf5#
- 1...e3
- 2.Rxe3#
- 1...d5
- 2.Qb8#
- 1...exf3!
- threat
- 1.Rg3?
- threat
- 2.Rg5#
- 1...e3
- 2.Rxe3#
- 1...d5
- 2.Qb8#
- 1...hxg3!
- threat
- 1.Qb1?
- threat
- 2.Rxe4#
- 2.Qxe4#
- 1...Sxe6
- 2.Qxe4#
- 1...d5
- 2.Qb8#
- 1...Sc2!
- threat
- 1.Qc2?
- threat
- 2.Rxe4#
- 2.Qxe4#
- 1...Sxe6
- 2.Qxe4#
- 1...d5
- 2.Qc7#
- 1...Sxc2!
- threat
- 1.Qxd2?
- threat
- 2.Qh2#
- 1...Sc2
- 2.Qd5#
- 1...Se2
- 2.Qd5#
- 1...Sdb3
- 2.Qd5#
- 1...Sf3
- 2.Qd5#
- 1...Sb5
- 2.Qd5#
- 1...Sf5
- 2.Qd5#
- 1...Sdc6
- 2.Qd5#
- 1...Sxe6!
- threat
- 1.Qb5+?
- 1...d5
- 2.Qxd5#
- 2.Qb8#
- 1...Sxb5!
- 1...d5
- 1.Qb7?
- threat
- 2.Rxe4#
- 2.Qxe4#
- 2.Qd5#
- 1...Sxe6
- 2.Qxe4#
- 1...Sxb7
- 2.Sc4#
- 1...d5
- 2.Qxd5#
- 2.Qc7#
- 2.Qb8#
- 1...Sac6
- 2.Sc4#
- 1...Sdc6!
- threat
- 1.Ke7?
- Keys
- 1.Rc3!
- 1...Sxe6
- 2.Rc5#
- 1...Sc2
- 2.Rxc2#
- 2.Rc5#
- 1...Se2
- 2.Rc5#
- 1...Sdb3
- 2.Rxb3#
- 2.Rc5#
- 1...Sf3
- 2.Rxf3#
- 2.Rc5#
- 1...Sb5
- 2.Rc5#
- 1...Sf5
- 2.Rc5#
- 1...Sdc6
- 2.Rc5#
- 2.Rxc6#
- 1...e3
- 2.Rxe3#
- 1...d5
- 2.Qb8#
- 1...d1Q
- 2.Qh2#
- 1...d1S
- 2.Qh2#
- 1...d1B
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...Sab3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sxe6
- 1.Rc3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(a);OGATE::QAB(A)
- P(g);OGATEB::QAB(A)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- P(a);OGATE::QAB(A)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(g);OGATEB::QAB(A)
- Refutation
- S(e);CHECK
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(g);OGATEB::QAB(A)
- P(a);::R1(C),XP(c)
- Refutation
- K(f);N_SPINP(c),N_SPINS(b),S_FLIGHT
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(g);OGATEB::QAB(A)
- P(a);::S(D)
- Refutation
- K(f);N_SPINP(c),N_SPINS(b),S_FLIGHT,XS(D)
- Try
- S(D);
- Threat
- R1(C),XP(c)
- Vars
- P(g);OGATEB::QAB(A)
- Refutation
- K(f);N_SPINP(c),N_SPINS(b),S_FLIGHT
- Try
- R(C);N_PINP(c)
- Vars
- S(e);N_GUARD,XR(C)::S(B)
- P(c);OGATEB::R(C),XP(c)
- P(a);OGATE::QAB(A)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- Refutation
- P(g);
- Try
- R(C);N_PINP(c)
- Threat
- QAB1(A),XS(b)
- Vars
- P(g);OGATEB::QAB(A)
- S(e);N_GUARD::S(B)
- Refutation
- P(c);XR(C)
- Try
- R(C);N_PINP(c)
- Threat
- R1(C)
- Vars
- P(c);OGATEB::R(C),XP(c)
- P(g);OGATEB::QAB(A)
- Refutation
- P(c);XR(C)
- Try
- R(C);N_PINP(c)
- Threat
- R(C)
- Vars
- P(c);OGATEB::R(C),XP(c)
- P(g);OGATEB::QAB(A)
- Refutation
- P(d);XR(C)
- Try
- Q(A);N_PINS(b)
- Threat
- DUALS(2)
- Vars
- S(b);XB(E)::QAR1(A),XP(c)
- P(g);OGATEB::QAB(A)
- Refutation
- S(b);
- Try
- Q(A);N_PINS(b)
- Threat
- DUALS(2)
- Vars
- S(b);XB(E)::QAR1(A),XP(c)
- P(g);OGATEB::QAB(A)
- Refutation
- S(b);XQ(A)
- Try
- Q(A);N_PINS(b),XP(a)
- Threat
- QAB(A)
- Vars
- S(b);OGATE::QAR1(A)
- Refutation
- S(b);XB(E)
- Try
- Q(A);CHECK,N_PINS(b)
- Refutation
- S(b);XQ(A)
- Try
- Q(A);N_PINS(b)
- Threat
- DUALS(3)
- Vars
- S(b);XB(E)::QAR1(A),XP(c)
- S(e);N_GUARD,XQ(A)::S(B)
- S(e);N_GUARD::S(B)
- Refutation
- S(b);
- Try
- Actual
- R(C);N_PINP(c),N_PINS(b)
- Vars
- S(b);XB(E)::QAB(A)+R(C),DCHECK
- S(b);::QAB(A)+R(C),DCHECK
- P(c);OGATEB::R(C),XP(c)
- P(g);OGATEB::QAB(A)
- P(a);OGATE::QAB(A)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
Developed and maintained by Brian Stephenson.
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