MESON Chess Problem Database
Problem Display
PID: 222718 (2Q5/6R1/2N5/1p1p4/nBk2p2/1R2nB2/8/2K5 w - - 0 1)
Babson, Joseph Ney
Charleston Sunday News, 1883
#2
7 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...Sc5
- 2.Rc3#
- 1...Sb6
- 2.Rc3#
- 1...d4
- 2.Sa5#
- 1...Sb2
- Tries
- 1.Sd4+?
- 1...Sc5
- 2.Qxc5#
- 1...Kxd4!
- 1...Sc5
- 1.Ra3?
- threat
- 2.Be2#
- 1...Sc3
- 2.Rxc3#
- 1...Sb2
- 2.Rc3#
- 1...Sc5
- 2.Rc3#
- 1...d4!
- threat
- 1.Rxe3?
- threat
- 2.Be2#
- 1...Sc3
- 2.Rxc3#
- 1...Sb2
- 2.Rc3#
- 1...Sc5
- 2.Rc3#
- 1...d4
- 2.Qe6#
- 2.Qg8#
- 1...fxe3!
- threat
- 1.Rg3?
- 1...Kxb3
- 2.Bxd5#
- 1...Sc3
- 2.Rxc3#
- 1...Sd1
- 2.Be2#
- 1...Sf1
- 2.Be2#
- 1...Sc2
- 2.Be2#
- 1...Sg2
- 2.Be2#
- 1...Sg4
- 2.Be2#
- 1...Sf5
- 2.Be2#
- 1...Sb2
- 2.Rc3#
- 1...Sc5
- 2.Rc3#
- 1...Sb6
- 2.Rc3#
- 1...d4
- 2.Sa5#
- 1...fxg3!
- 1...Kxb3
- 1.Rd7?
- 1...Sc3
- 2.Rxc3#
- 1...Sd1
- 2.Bxd5#
- 1...Sf1
- 2.Bxd5#
- 1...Sc2
- 2.Bxd5#
- 1...Sg2
- 2.Bxd5#
- 1...Sg4
- 2.Bxd5#
- 1...Sf5
- 2.Bxd5#
- 1...Sb2
- 2.Rc3#
- 1...Sc5
- 2.Rc3#
- 1...Sb6
- 2.Rc3#
- 1...d4
- 2.Sa5#
- 1...Kxb3!
- 1...Sc3
- 1.Qe6?
- 1...Sc3
- 2.Rxc3#
- 1...Sd1
- 2.Bxd5#
- 2.Qxd5#
- 1...Sf1
- 2.Bxd5#
- 2.Qxd5#
- 1...Sc2
- 2.Bxd5#
- 2.Qxd5#
- 1...Sg2
- 2.Bxd5#
- 2.Qxd5#
- 1...Sg4
- 2.Bxd5#
- 2.Qxd5#
- 1...Sf5
- 2.Bxd5#
- 2.Qxd5#
- 1...Sb2
- 2.Rc3#
- 1...Sc5
- 2.Rc3#
- 1...Sb6
- 2.Rc3#
- 1...Kxb3!
- 1...Sc3
- 1.Qd7?
- 1...Sc3
- 2.Rxc3#
- 1...Sd1
- 2.Bxd5#
- 2.Qxd5#
- 1...Sf1
- 2.Bxd5#
- 2.Qxd5#
- 1...Sc2
- 2.Bxd5#
- 2.Qxd5#
- 1...Sg2
- 2.Bxd5#
- 2.Qxd5#
- 1...Sg4
- 2.Bxd5#
- 2.Qxd5#
- 1...Sf5
- 2.Bxd5#
- 2.Qxd5#
- 1...Sb2
- 2.Rc3#
- 1...Sc5
- 2.Rc3#
- 1...Sb6
- 2.Rc3#
- 1...d4
- 2.Sa5#
- 1...Kxb3!
- 1...Sc3
- 1.Qd8?
- 1...Sc3
- 2.Rxc3#
- 1...Sd1
- 2.Bxd5#
- 2.Qxd5#
- 1...Sf1
- 2.Bxd5#
- 2.Qxd5#
- 1...Sc2
- 2.Bxd5#
- 2.Qxd5#
- 1...Sg2
- 2.Bxd5#
- 2.Qxd5#
- 1...Sg4
- 2.Bxd5#
- 2.Qxd5#
- 1...Sf5
- 2.Bxd5#
- 2.Qxd5#
- 1...Sb2
- 2.Rc3#
- 1...Sc5
- 2.Rc3#
- 1...Sb6
- 2.Rc3#
- 1...d4
- 2.Sa5#
- 1...Kxb3!
- 1...Sc3
- 1.Qg8?
- 1...Sc3
- 2.Rxc3#
- 1...Sd1
- 2.Bxd5#
- 2.Qxd5#
- 1...Sf1
- 2.Bxd5#
- 2.Qxd5#
- 1...Sc2
- 2.Bxd5#
- 2.Qxd5#
- 1...Sg2
- 2.Bxd5#
- 2.Qxd5#
- 1...Sg4
- 2.Bxd5#
- 2.Qxd5#
- 1...Sf5
- 2.Bxd5#
- 2.Qxd5#
- 1...Sb2
- 2.Rc3#
- 1...Sc5
- 2.Rc3#
- 1...Sb6
- 2.Rc3#
- 1...Kxb3!
- 1...Sc3
- 1.Sd4+?
- Keys
- 1.Qh3!
- 1...Kxb3
- 2.Bxd5#
- 1...Sc3
- 2.Rxc3#
- 1...Sd1
- 2.Be2#
- 1...Sf1
- 2.Be2#
- 1...Sc2
- 2.Be2#
- 1...Sg2
- 2.Be2#
- 1...Sg4
- 2.Be2#
- 1...Sf5
- 2.Be2#
- 1...Sb2
- 2.Rc3#
- 1...Sc5
- 2.Rc3#
- 1...Sb6
- 2.Rc3#
- 1...d4
- 2.Sa5#
- 1...Kxb3
- 1.Qh3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::R1(B)
- S(b);N_GUARD::R1(B),XS(b)
- P(f);SBLOCK::QAR(G)+S(E),DCHECK
- Tries
- Try
- S(E);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR1(G),XS(b)
- Refutation
- K(c);P-FLIGHT,XS(E)
- Try
- R(B);
- Threat
- B(C)
- Vars
- S(b);N_GUARD::R1(B),XS(b)
- S(b);N_GUARD::R1(B)
- Refutation
- P(f);
- Try
- R(B);XS(a)
- Threat
- B(C)
- Vars
- S(b);N_GUARD::R1(B),XS(b)
- S(b);N_GUARD::R1(B)
- Refutation
- P(d);XR(B)
- Try
- R(F);
- Vars
- K(c);S_FLIGHT,XR(B)::B(C),XP(f)
- S(b);N_GUARD::R1(B),XS(b)
- S(a);::B(C)
- S(b);N_GUARD::R1(B)
- P(f);SBLOCK::QAR(G)+S(E),DCHECK
- Refutation
- P(d);XR(F)
- Try
- R(F);
- Vars
- S(b);N_GUARD::R1(B),XS(b)
- S(a);N_GUARD::B(C),XP(f)
- S(b);N_GUARD::R1(B)
- P(f);::QAR(G)+S(E),DCHECK
- Refutation
- K(c);S_FLIGHT,XR(B)
- Try
- Q(G);P_PINP(f)
- Vars
- S(b);N_GUARD::R1(B),XS(b)
- S(b);N_GUARD::R1(B)
- Refutation
- K(c);S_FLIGHT,XR(B)
- Try
- Q(G);
- Vars
- S(b);N_GUARD::R1(B),XS(b)
- S(b);N_GUARD::R1(B)
- P(f);::S(E)
- Refutation
- K(c);S_FLIGHT,XR(B)
- Try
- Q(G);
- Vars
- S(b);N_GUARD::R1(B),XS(b)
- S(b);N_GUARD::R1(B)
- P(f);::S(E)
- Refutation
- K(c);S_FLIGHT,XR(B)
- Try
- Q(G);P_PINP(f)
- Vars
- S(b);N_GUARD::R1(B),XS(b)
- S(b);N_GUARD::R1(B)
- Refutation
- K(c);S_FLIGHT,XR(B)
- Try
- Actual
- Q(G);
- Vars
- K(c);S_FLIGHT,XR(B)::B(C),XP(f)
- S(b);N_GUARD::R1(B),XS(b)
- S(a);::B(C)
- S(b);N_GUARD::R1(B)
- P(f);SBLOCK::S(E)
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