MESON Chess Problem Database
Problem Display
PID: 83481 (8/7Q/4pp2/2RpkN1p/7R/3b1P2/2p5/2K5 w - - 0 1)
Ellerman, Arnoldo
Good Companions (January), 1917
#2
6 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Re4#
- 1...Be2
- 2.Re4#
- 1...Bc4
- 2.Re4#
- 1...Be4
- 2.Rxe4#
- 2.f4#
- 1...Bb5
- 2.Re4#
- 1...Bxf5
- 2.Qc7#
- 1...Ba6
- 2.Re4#
- 1...exf5
- 2.Qe7#
- 1...Bf1
- Tries
- 1.Ra4?
- threat
- 2.f4#
- 1...Bxf5
- 2.Qc7#
- 1...exf5
- 2.Qe7#
- 1...Be4
- 2.Rxe4#
- 1...Bc4!
- threat
- 1.Rb4?
- threat
- 2.f4#
- 1...Bxf5
- 2.Qc7#
- 1...exf5
- 2.Qe7#
- 1...Be4
- 2.Rxe4#
- 1...Bc4!
- threat
- 1.Rhc4?
- threat
- 2.f4#
- 1...Bxf5
- 2.Qc7#
- 1...exf5
- 2.Qe7#
- 1...Be4
- 2.Rxe4#
- 1...Bxc4!
- threat
- 1.Ra5?
- 1...Bxf5
- 2.Qc7#
- 1...exf5
- 2.Qe7#
- 1...Bf1
- 2.Re4#
- 1...Be2
- 2.Re4#
- 1...Bc4
- 2.Re4#
- 1...Be4
- 2.Rxe4#
- 2.f4#
- 1...Ba6
- 2.Re4#
- 1...Bb5!
- 1...Bxf5
- 1.Rb5?
- 1...Bxf5
- 2.Qc7#
- 1...exf5
- 2.Qe7#
- 1...Bf1
- 2.Re4#
- 1...Be2
- 2.Re4#
- 1...Bc4
- 2.Re4#
- 1...Be4
- 2.Rxe4#
- 2.f4#
- 1...Bxb5!
- 1...Bxf5
- 1.Qg6?
- 1...Bxf5
- 2.Qg3#
- 1...Bf1
- 2.Re4#
- 1...Be2
- 2.Re4#
- 1...Bc4
- 2.Re4#
- 1...Be4
- 2.Rxe4#
- 2.f4#
- 1...Bb5
- 2.Re4#
- 1...Ba6
- 2.Re4#
- 1...exf5!
- 1...Bxf5
- 1.Qh6?
- threat
- 2.Qf4#
- 1...Kxf5
- 2.Rxh5#
- 2.Qxh5#
- 1...exf5!
- threat
- 1.Ra4?
- Keys
- 1.Rc3!
- 1...Bxf5
- 2.Qc7#
- 1...exf5
- 2.Qe7#
- 1...d4
- 2.Rc5#
- 1...Bf1
- 2.Re3#
- 1...Be2
- 2.Re3#
- 1...Bc4
- 2.Re3#
- 1...Be4
- 2.f4#
- 1...Bb5
- 2.Re3#
- 1...Ba6
- 2.Re3#
- 1...Bxf5
- 1.Rc3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::R1(C)
- B(b);SBLOCK,XS(E)::QAB(F)
- P(f);OGATEB,SBLOCK,XS(E)::QAR2(F)
- Tries
- Try
- R(C);
- Threat
- P(B)
- Vars
- B(b);SBLOCK,XS(E)::QAB(F)
- P(f);OGATEB,SBLOCK,XS(E)::QAR2(F)
- B(b);N_GUARD::R1(C),XB(b)
- Refutation
- B(b);
- Try
- R(C);
- Threat
- P(B)
- Vars
- B(b);SBLOCK,XS(E)::QAB(F)
- P(f);OGATEB,SBLOCK,XS(E)::QAR2(F)
- B(b);N_GUARD::R1(C),XB(b)
- Refutation
- B(b);
- Try
- R(C);
- Threat
- P(B)
- Vars
- B(b);SBLOCK,XS(E)::QAB(F)
- P(f);OGATEB,SBLOCK,XS(E)::QAR2(F)
- B(b);N_GUARD::R1(C),XB(b)
- Refutation
- B(b);XR(C)
- Try
- R(D);
- Vars
- B(b);SBLOCK,XS(E)::QAB(F)
- P(f);OGATEB,SBLOCK,XS(E)::QAR2(F)
- B(b);N_GUARD::R1(C)
- Refutation
- B(b);N_SPINP(c)
- Try
- R(D);
- Vars
- B(b);SBLOCK,XS(E)::QAB(F)
- P(f);OGATEB,SBLOCK,XS(E)::QAR2(F)
- B(b);N_GUARD::R1(C)
- Refutation
- B(b);N_SPINP(c),XR(D)
- Try
- Q(F);
- Vars
- B(b);SBLOCK,XS(E)::QAB(F)
- B(b);N_GUARD::R1(C)
- Refutation
- P(f);XS(E)
- Try
- Q(F);
- Threat
- QAB1(F)
- Refutation
- P(f);XS(E)
- Try
- Actual
- R(D);N_PINP(c)
- Vars
- B(b);SBLOCK,XS(E)::QAB(F)
- P(f);OGATEB,SBLOCK,XS(E)::QAR2(F)
- P(c);OGATEB::R(D)
- B(b);OGATE::R(D)
- B(b);SBLOCK::P(B)
Developed and maintained by Brian Stephenson.
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