MESON Chess Problem Database
Problem Display
PID: 7800 (1b6/3R1N2/KB6/Q7/1N3krn/1R3Pp1/2B1Ppn1/3r3q w - - 0 1)
Shire, David J
The Problemist, 1993
#2
10 + 9
| 4849 | The Sushkov Theme | 1999 |
| 3256 | David Shire Selected Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sd3#
- 2.Sd5#
- 2.Rd4#
- 1...Rb1
- 2.Sd3#
- 2.Sd5#
- 2.Rd4#
- 1...Rc1
- 2.Sd3#
- 2.Sd5#
- 2.Rd4#
- 1...Re1
- 2.Sd3#
- 2.Sd5#
- 2.Rd4#
- 1...Rf1
- 2.Sd3#
- 2.Sd5#
- 2.Rd4#
- 1...Rg1
- 2.Sd3#
- 2.Sd5#
- 2.Rd4#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Rxd4#
- 1...Rd5
- 2.Sxd5#
- 1...Rd6
- 2.Qe5#
- 1...Rg5
- 2.Qxg5#
- 1...Be5
- 2.Qxe5#
- 1...Ba7
- 2.Qe5#
- 1...Se1
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...Sxf3
- 2.Rxf3#
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sg6
- 2.Qf5#
- 1...Ra1
- Tries
- 1.Bd4?
- threat
- 2.Sd5#
- 1...Rxd4
- 2.Rxd4#
- 1...Rd3
- 2.Sxd3#
- 1...Rg5
- 2.Qxg5#
- 1...Se3
- 2.Bxe3#
- 1...Rg6+!
- threat
- 1.Rbd3?
- threat
- 2.R7d4#
- 1...Rxd3
- 2.Sxd3#
- 1...Sxf3
- 2.Rxf3#
- 1...Be5
- 2.Qxe5#
- 1...Sf5
- 2.Sd5#
- 1...Bd6!
- threat
- 1.Rxd1?
- threat
- 2.Sd3#
- 2.Sd5#
- 2.Rd4#
- 1...Sxf3
- 2.Sd5#
- 2.Rxf3#
- 2.Qf5#
- 1...Rg5
- 2.Sd3#
- 2.Rd4#
- 2.Qxg5#
- 1...Be5
- 2.Sd5#
- 2.Qxe5#
- 1...Se1
- 2.Sd5#
- 2.Be3#
- 2.Rd4#
- 1...Se3
- 2.Sd3#
- 2.Bxe3#
- 2.Rd4#
- 1...Sf5
- 2.Sd3#
- 2.Sd5#
- 2.Qxf5#
- 1...Qxd1!
- threat
- 1.Rd2?
- threat
- 2.Sd3#
- 2.Sd5#
- 1...Sxf3
- 2.Sd5#
- 2.Rxf3#
- 2.Qf5#
- 1...Rg5
- 2.Sd3#
- 2.Qxg5#
- 1...Be5
- 2.Sd5#
- 2.Qxe5#
- 1...Se1
- 2.Sd5#
- 2.Be3#
- 1...Se3
- 2.Sd3#
- 2.Bxe3#
- 1...Rxd2!
- threat
- 1.Rd6?
- threat
- 2.Qe5#
- 1...Sxf3
- 2.Rxf3#
- 2.Rf6#
- 2.Qf5#
- 1...Ra1
- 2.Sd3#
- 2.Sd5#
- 2.Rd4#
- 1...Rd5
- 2.Sxd5#
- 1...Rg5
- 2.Qxg5#
- 1...Sg6
- 2.Rf6#
- 2.Qf5#
- 1...Bxd6!
- threat
- 1.Rc7?
- threat
- 2.Qe5#
- 1...Sxf3
- 2.Rxf3#
- 2.Qf5#
- 1...Ra1
- 2.Sd3#
- 2.Sd5#
- 2.Rc4#
- 1...Rd5
- 2.Sxd5#
- 1...Rg5
- 2.Qxg5#
- 1...Sg6
- 2.Qf5#
- 1...Bxc7!
- threat
- 1.Re7?
- threat
- 2.Re4#
- 1...Rd5
- 2.Sxd5#
- 1...Be5
- 2.Qxe5#
- 1...Rd4!
- threat
- 1.Qa4?
- threat
- 2.Sd5#
- 1...Rd5
- 2.Sxd5#
- 1...Rd3!
- threat
- 1.Qd5?
- threat
- 2.Qe4#
- 1...Rxd5
- 2.Sxd5#
- 1...Rd4
- 2.Qxd4#
- 1...Ra1+!
- threat
- 1.Bd4?
- Keys
- 1.Bd3!
- threat
- 2.Sd5#
- 1...Rxd3
- 2.Sxd3#
- 1...Rg5
- 2.Qxg5#
- 1...Se3
- 2.Rd4#
- threat
- 1.Bd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(a);N_GUARD::S(E),XR(a)
- R(a);N_GUARD::R(I),XR(a)
- R(a);P_PINB(H),S_CUTB(i)::QAB1(F)
- R(g);N_GUARD::QAB1(F),XR(g)
- B(i);N_GUARD::QAB1(F),XB(i)
- B(i);N_GUARD::QAB1(F)
- S(d);N_GUARD::B(H)
- S(d);N_GUARD::B(H),XS(d)
- S(h);N_GUARD::QAR1(F),XS(h)
- S(h);N_GUARD::QAR1(F)
- Tries
- Try
- B(H);
- Threat
- S(E)
- Vars
- R(a);OGATE,XB(H)::R(I),XR(a)
- R(a);N_GUARD::S(E),XR(a)
- R(g);N_GUARD::QAB1(F),XR(g)
- S(d);N_GUARD::B(H),XS(d)
- Refutation
- R(g);CHECK
- Try
- R(C);
- Threat
- R(I)
- Vars
- R(a);XR(C)::S(E),XR(a)
- S(h);OGATE,XP(D)::R1(C),XS(h)
- B(i);N_GUARD::QAB1(F),XB(i)
- S(h);SBLOCK::S(E)
- Refutation
- B(i);
- Try
- R(I);XR(a)
- Threat
- DUALS(3)
- Refutation
- Q(b);XR(I)
- Try
- R(I);
- Threat
- DUALS(2)
- Refutation
- R(a);XR(I)
- Try
- R(I);
- Threat
- QAB1(F)
- Vars
- R(a);N_GUARD::S(E),XR(a)
- R(g);N_GUARD::QAB1(F),XR(g)
- Refutation
- B(i);XR(I)
- Try
- R(I);
- Threat
- QAB1(F)
- Vars
- R(a);N_GUARD::S(E),XR(a)
- R(g);N_GUARD::QAB1(F),XR(g)
- S(h);N_GUARD::QAR1(F)
- Refutation
- B(i);XR(I)
- Try
- R(I);
- Threat
- R1(I)
- Vars
- R(a);N_GUARD::S(E),XR(a)
- B(i);N_GUARD::QAB1(F),XB(i)
- Refutation
- R(a);
- Try
- Q(F);
- Threat
- QAR(F)+S(E),DCHECK
- Vars
- R(a);::QAR(F)+S(E),DCHECK,XR(a)
- Refutation
- R(a);
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- R(a);XQ(F)::S(E),XR(a)
- R(a);N_GUARD::QAR2(F),XR(a)
- Refutation
- R(a);CHECK
- Try
- Actual
- B(A);
- Threat
- S(E)
- Vars
- R(a);XB(A)::S(E),XR(a)
- R(g);N_GUARD::QAB1(F),XR(g)
- S(d);SBLOCK::R(I)
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