MESON Chess Problem Database
Problem Display
PID: 110816 (3B3K/1pN1pp1n/1r3k2/2p3p1/R7/3B4/1b5Q/8 w - - 0 1)
Perry, William E
Montreal Gazette, 1892
#2
6 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Qd6#
- 1...Rb4
- 2.Qd6#
- 1...Rb5
- 2.Qd6#
- 1...Ra6
- 2.Qxb2#
- 1...Rc6
- 2.Qxb2#
- 1...Rd6
- 2.Qxd6#
- 1...Re6
- 2.Sd5#
- 2.Se8#
- 1...Be5
- 2.Qh6#
- 1...g4
- 2.Qf4#
- 1...Rb3
- Tries
- 1.Rf4+?
- 1...gxf4
- 2.Qxf4#
- 1...Ke5!
- 1...gxf4
- 1.Rh4?
- threat
- 2.Rh6#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...Sf8!
- threat
- 1.Ra6?
- threat
- 2.Rxb6#
- 2.Qxb2#
- 1...Rxa6
- 2.Qxb2#
- 1...g4
- 2.Qf4#
- 1...Bc1
- 2.Rxb6#
- 1...Rc6
- 2.Qxb2#
- 1...Rd6
- 2.Rxd6#
- 2.Qxd6#
- 2.Qxb2#
- 1...Re6
- 2.Sd5#
- 2.Se8#
- 2.Qxb2#
- 1...Ba1
- 2.Rxb6#
- 1...Ba3
- 2.Rxb6#
- 1...Bc3
- 2.Rxb6#
- 1...Bd4
- 2.Rxb6#
- 1...Be5
- 2.Qh6#
- 1...Sf8
- 2.Qxb2#
- 1...c4
- 2.Rxb6#
- 1...bxa6!
- threat
- 1.Qe2?
- threat
- 2.Sd5#
- 2.Se8#
- 2.Bxe7#
- 2.Qxe7#
- 1...g4
- 2.Bxe7#
- 2.Qxe7#
- 1...Rd6
- 2.Se8#
- 2.Bxe7#
- 2.Qxe7#
- 1...Re6
- 2.Sd5#
- 2.Se8#
- 1...Be5!
- threat
- 1.Rf4+?
- Keys
- 1.Rb4!
- threat
- 2.Rxb6#
- 2.Qxb2#
- 1...Rxb4
- 2.Qd6#
- 1...cxb4
- 2.Qxb2#
- 1...g4
- 2.Qf4#
- 1...Bc1
- 2.Rxb6#
- 1...Rb5
- 2.Qd6#
- 2.Qxb2#
- 1...Ra6
- 2.Qxb2#
- 1...Rc6
- 2.Qxb2#
- 1...Rd6
- 2.Qxd6#
- 1...Re6
- 2.Sd5#
- 2.Se8#
- 1...Ba1
- 2.Rxb6#
- 1...Ba3
- 2.Rxb6#
- 1...Bc3
- 2.Rxb6#
- 1...Bd4
- 2.Rxb6#
- 1...Be5
- 2.Qh6#
- 1...Sf8
- 2.Qxb2#
- 1...c4
- 2.Rxb6#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 2
- Sets
- R(d);N_GUARD::QAR2(A)
- R(d);N_GUARD::QAB(A),XB(a)
- R(d);N_GUARD::QAR2(A),XR(d)
- B(a);SBLOCK::QAR2(A)
- P(c);N_GUARD::QAR2(A)
- Tries
- Try
- R(C);CHECK
- Vars
- P(c);OGATE,XR(C)::QAR2(A),XP(c)
- Refutation
- K(e);N_SPINP(g),S_FLIGHT
- Try
- R(C);
- Threat
- R(C)
- Vars
- P(c);N_GUARD,XR(C)::QAR2(A)
- P(c);N_GUARD::QAR2(A)
- Refutation
- S(i);
- Try
- R(C);P_PINR(d)
- Threat
- DUALS(2)
- Vars
- R(d);N_SPINR(d),XR(C)::QAB(A),XB(a)
- P(c);N_GUARD::QAR2(A)
- B(a);::R(C),XR(d)
- R(d);::QAB(A),XB(a)
- B(a);SBLOCK::QAR2(A)
- S(i);::QAB(A),XB(a)
- P(b);::R(C),XR(d)
- Refutation
- P(f);N_SPINR(d),XR(C)
- Try
- Q(A);
- Threat
- DUALS(4)
- Refutation
- B(a);
- Try
- Actual
- R(C);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,XR(C)::QAR2(A)
- P(b);XR(C)::QAB(A),XB(a)
- P(c);N_GUARD::QAR2(A)
- B(a);::R(C),XR(d)
- R(d);::QAB(A),XB(a)
- R(d);N_GUARD::QAR2(A),XR(d)
- B(a);SBLOCK::QAR2(A)
- S(i);::QAB(A),XB(a)
- P(b);::R(C),XR(d)
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