MESON Chess Problem Database
Problem Display
PID: 187965 (1N1Q4/1K2nrp1/pn2rkP1/R3b3/5B2/6RB/6P1/8 w - - 0 1)
Wainwright, Joseph CJ
American Chess Bulletin, 1910
#2
9 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rc6
- 2.Bxe5#
- 1...Rd6
- 2.Bxe5#
- 1...Rf8
- 2.Qxf8#
- 1...Ba1
- 2.Rf5#
- 1...Bb2
- 2.Rf5#
- 1...Bc3
- 2.Rf5#
- 1...Bd4
- 2.Rf5#
- 1...Bxf4
- 2.Rf5#
- 1...Bd6
- 2.Rf5#
- 1...Bc7
- 2.Rf5#
- 1...Bxb8
- 2.Rf5#
- 1...Sa4
- 2.Sd7#
- 1...Sc4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sa8
- 2.Sd7#
- 1...Sc8
- 2.Sd7#
- 1...Rc6
- Tries
- 1.Rc5?
- 1...Bxf4
- 2.Rf5#
- 1...Bxb8
- 2.Rf5#
- 1...Rc6
- 2.Bxe5#
- 1...Rd6
- 2.Bxe5#
- 1...Rf8
- 2.Qxf8#
- 1...Ba1
- 2.Rf5#
- 1...Bb2
- 2.Rf5#
- 1...Bc3
- 2.Rf5#
- 1...Bd4
- 2.Rf5#
- 1...Bd6
- 2.Rf5#
- 1...Bc7
- 2.Rf5#
- 1...Sa4
- 2.Sd7#
- 1...Sc4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sa8
- 2.Sd7#
- 1...Sc8
- 2.Sd7#
- 1...a5!
- 1...Bxf4
- 1.Rd5?
- 1...Bxf4
- 2.Rf5#
- 1...Bxb8
- 2.Rf5#
- 1...Sxd5
- 2.Sd7#
- 1...Rc6
- 2.Bxe5#
- 1...Rd6
- 2.Bxe5#
- 1...Rf8
- 2.Qxf8#
- 1...Ba1
- 2.Rf5#
- 1...Bb2
- 2.Rf5#
- 1...Bc3
- 2.Rf5#
- 1...Bd4
- 2.Rf5#
- 1...Bd6
- 2.Rf5#
- 1...Bc7
- 2.Rf5#
- 1...Sa4
- 2.Sd7#
- 1...Sc4
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sa8
- 2.Sd7#
- 1...Sc8
- 2.Sd7#
- 1...a5!
- 1...Bxf4
- 1.Qe8?
- threat
- 2.Qxf7#
- 1...Rf8
- 2.Bg5#
- 2.Qxf8#
- 1...Sxg6+!
- threat
- 1.Rc5?
- Keys
- 1.Qd7!
- threat
- 2.Qxe6#
- 1...Sxd7
- 2.Sxd7#
- 1...Sxg6
- 2.Bg5#
- 1...Rc6
- 2.Bxe5#
- 1...Rd6
- 2.Bxe5#
- 1...Sed5
- 2.Qxf7#
- 1...Sf5
- 2.Qxf7#
- 1...Sc6
- 2.Qxf7#
- 1...Sec8
- 2.Qxf7#
- 1...Sg8
- 2.Qxf7#
- threat
- 1.Qd7!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 14
- Sets
- R(d);N_GUARD::B(D),XB(a)
- R(g);OGATEB::QAR2(I),XR(g)
- B(a);OGATE::R1(E)
- B(a);OGATE,XB(D)::R1(E)
- B(a);OGATE,XS(H)::R1(E)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- Tries
- Try
- R(E);
- Vars
- B(a);OGATE,XB(D)::R1(E)
- B(a);OGATE,XS(H)::R1(E)
- R(d);N_GUARD::B(D),XB(a)
- R(g);OGATEB::QAR2(I),XR(g)
- B(a);OGATE::R1(E)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- Refutation
- P(b);
- Try
- R(E);
- Vars
- B(a);OGATE,XB(D)::R1(E)
- B(a);OGATE,XS(H)::R1(E)
- S(c);N_GUARD,XR(E)::S(H)
- R(d);N_GUARD::B(D),XB(a)
- R(g);OGATEB::QAR2(I),XR(g)
- B(a);OGATE::R1(E)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- Refutation
- P(b);
- Try
- Q(I);N_PINS(f)
- Threat
- QAR1(I),XR(g)
- Refutation
- S(f);CHECK,XP(F)
- Try
- Actual
- Q(I);N_PINS(f)
- Threat
- QAR1(I),XR(d)
- Vars
- S(c);XQ(I)::S(H),XS(c)
- S(f);P_PINQ(I),SBLOCK,XP(F)::B(D)
- R(d);N_GUARD::B(D),XB(a)
- S(f);OGATE,P_PINQ(I)::QAR1(I),XR(g)
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