MESON Chess Problem Database
Problem Display
PID: 23764 (8/Kp2r1pq/1N5p/2Q5/3BkN2/5R2/b5P1/3rbB1n w - - 0 1)
Lincoln, Robert A
Probleemblad, 1996
#2
8 + 10
| 102 | Probleemblad | 2002 |
| 133 | The Problemist Supplement | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bd3#
- 1...Rb1
- 2.Bd3#
- 1...Rc1
- 2.Bd3#
- 1...Rd3
- 2.Bxd3#
- 1...Re5
- 2.Qxe5#
- 1...Rc7
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rf7
- 2.Qe5#
- 1...Bd2
- 2.Bd3#
- 1...Bb1
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Be6
- 2.Qe5#
- 1...Ra1
- Tries
- 1.Sd3?
- threat
- 2.Re3#
- 2.Rf4#
- 1...Rxd3
- 2.Bxd3#
- 1...Qf5
- 2.Re3#
- 1...Re5
- 2.Rf4#
- 2.Qxe5#
- 1...Rf7
- 2.Re3#
- 2.Qe5#
- 1...Bf2
- 2.Rf4#
- 1...Bg3
- 2.Re3#
- 1...Bd5
- 2.Rf4#
- 2.Qxd5#
- 1...g5
- 2.Re3#
- 1...Bd2!
- threat
- 1.Sh3?
- threat
- 2.Re3#
- 2.Rf4#
- 1...Qf5
- 2.Re3#
- 1...Rd3
- 2.Bxd3#
- 2.Rf4#
- 1...Re5
- 2.Rf4#
- 2.Qxe5#
- 1...Rf7
- 2.Re3#
- 2.Qe5#
- 1...Bd2
- 2.Bd3#
- 1...Bf2
- 2.Rf4#
- 1...Bg3
- 2.Re3#
- 1...Bd5
- 2.Rf4#
- 2.Qxd5#
- 1...g5
- 2.Re3#
- 1...Rxd4!
- threat
- 1.Sfd5?
- threat
- 2.Rf4#
- 1...Rxd4
- 2.Qxe7#
- 1...Bxd5
- 2.Qxd5#
- 1...Qf5
- 2.Re3#
- 1...Bd2
- 2.Bd3#
- 1...Bg3
- 2.Sc3#
- 1...g5
- 2.Sf6#
- 1...Rf7!
- threat
- 1.Sh5?
- threat
- 2.Re3#
- 2.Rf4#
- 1...Qf5
- 2.Re3#
- 1...Rd3
- 2.Bxd3#
- 2.Rf4#
- 1...Re5
- 2.Rf4#
- 2.Qxe5#
- 1...Rf7
- 2.Re3#
- 2.Qe5#
- 1...Bd2
- 2.Bd3#
- 1...Bf2
- 2.Rf4#
- 1...Bg3
- 2.Re3#
- 1...Bd5
- 2.Rf4#
- 2.Qxd5#
- 1...g5
- 2.Sf6#
- 2.Re3#
- 1...Rxd4!
- threat
- 1.Se6?
- threat
- 2.Re3#
- 2.Rf4#
- 2.Qe5#
- 1...Rxd4
- 2.Qxd4#
- 1...Bxe6
- 2.Qe5#
- 1...Qf5
- 2.Re3#
- 2.Qxf5#
- 1...Rd3
- 2.Bxd3#
- 2.Rf4#
- 2.Qe5#
- 1...Rf7
- 2.Re3#
- 2.Qe5#
- 1...Bd2
- 2.Bd3#
- 2.Qc2#
- 2.Qe5#
- 1...Bf2
- 2.Rf4#
- 2.Qe5#
- 1...Bg3
- 2.Re3#
- 1...Bd5
- 2.Rf4#
- 2.Qxd5#
- 1...g5
- 2.Re3#
- 2.Qe5#
- 1...Rxe6!
- threat
- 1.Sg6?
- threat
- 2.Re3#
- 2.Rf4#
- 1...Rxd4
- 2.Qf5#
- 1...Rd3
- 2.Bxd3#
- 2.Rf4#
- 1...Re5
- 2.Rf4#
- 2.Qxe5#
- 1...Rf7
- 2.Re3#
- 2.Qe5#
- 1...Bd2
- 2.Bd3#
- 1...Bf2
- 2.Rf4#
- 1...Bg3
- 2.Re3#
- 1...Bd5
- 2.Rf4#
- 2.Qxd5#
- 1...Qxg6!
- threat
- 1.Qc2+?
- 1...Rd3
- 2.Qxd3#
- 1...Kxd4!
- 1...Rd3
- 1.Sd3?
- Keys
- 1.Se2!
- threat
- 2.Re3#
- 1...Rxd4
- 2.Qxd4#
- 1...Rd3
- 2.Rf4#
- 1...Re5
- 2.Qxe5#
- 1...Bd2
- 2.Qc2#
- 1...Bf2
- 2.Sc3#
- 1...Bd5
- 2.Qxd5#
- threat
- 1.Se2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(a);N_GUARD::B(A)
- R(a);N_GUARD::B(A),XR(a)
- R(h);N_GUARD::QAR1(F),XR(h)
- R(h);N_GUARD::QAR1(F)
- B(b);S_CUTR(a)::B(A)
- B(d);N_GUARD::QAB1(F)
- B(d);N_GUARD::QAB1(F),XB(d)
- B(d);S_CUTR(h)::QAR1(F)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(a);OGATE,XS(E)::B(A),XR(a)
- Q(j);::R1(C)
- B(b);::R1(C)
- P(i);::R1(C)
- Refutation
- B(b);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(j);::R1(C)
- B(b);S_CUTR(a)::B(A)
- B(b);::R1(C)
- P(i);::R1(C)
- Refutation
- R(a);XB(D)
- Try
- S(E);
- Threat
- R1(C)
- Vars
- R(a);SBLOCK,XB(D)::QAR(F),XR(h)
- B(d);OGATE,XS(E)::QAB1(F),XB(d)
- Q(j);SBLOCK::R1(C)
- B(b);S_CUTR(a)::B(A)
- B(b);N_GUARD::S(E)
- P(i);N_GUARD::S(E)
- Refutation
- R(h);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(j);::R1(C)
- B(b);S_CUTR(a)::B(A)
- B(b);::R1(C)
- Refutation
- R(a);XB(D)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(a);OGATE,XB(D)::QAR1(F),XR(a)
- B(d);XS(E)::QAR1(F)
- B(b);::R1(C)
- Refutation
- R(h);XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(a);SBLOCK,XB(D)::QAB1(F)
- B(b);S_CUTR(a)::B(A)
- B(b);::R1(C)
- Refutation
- Q(j);XS(E)
- Try
- Q(F);CHECK
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAB1(F),XR(a)
- Refutation
- K(e);P-FLIGHT,XB(D)
- Try
- Actual
- S(E);
- Threat
- R1(C)
- Vars
- R(a);OGATE,XB(D)::QAR1(F),XR(a)
- R(a);SBLOCK::R1(C)
- R(h);N_GUARD::QAR1(F),XR(h)
- B(b);S_CUTR(a)::QAB(F)
- B(b);N_GUARD::S(E)
- B(d);N_GUARD::QAB1(F),XB(d)
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