MESON Chess Problem Database
Problem Display
PID: 215942 (8/3n4/R2Q2Rn/1P1b1B2/p2k4/1p5K/rN1P4/8 w - - 0 1)
Barnes, Barry Peter
Lipton, Michael
The Problemist, 2019
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxb2
- 2.Rxa4#
- 1...Sg4
- 2.Rxg4#
- 1...Sxf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...Sc5
- 2.Qf6#
- 1...Se5
- 2.Qb6#
- 1...a3
- 2.Ra4#
- 1...Rxb2
- Tries
- 1.Rc6?
- threat
- 2.Rc4#
- 1...Sc5
- 2.Qf6#
- 1...Se5
- 2.Qc5#
- 1...Sb6
- 2.Qf6#
- 1...Rxb2!
- threat
- 1.Re6?
- threat
- 2.Re4#
- 1...Rxb2
- 2.Rxa4#
- 1...Sc5
- 2.Qe5#
- 1...Se5
- 2.Qb6#
- 1...Sf6
- 2.Qb6#
- 1...Sxf5!
- threat
- 1.Rxh6?
- threat
- 2.Rh4#
- 1...Sc5
- 2.Qf6#
- 1...Se5
- 2.Qb6#
- 1...Sf6!
- threat
- 1.Rc6?
- Keys
- 1.Rg3!
- threat
- 2.Rd3#
- 1...Rxb2
- 2.Rxa4#
- 1...Sxf5
- 2.Rg4#
- 1...Sc5
- 2.Qf6#
- 1...Se5
- 2.Qb6#
- threat
- 1.Rg3!
There are these versions: 263415
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(a);N_GUARD,XS(A)::R(F),XP(c)
- S(f);N_GUARD::R(H),XS(f)
- S(f);N_GUARD,XB(E)::R(H)
- S(f);N_GUARD::R(H)
- S(g);N_GUARD,SBLOCK::QAB(G)
- P(c);S_CUTR(a)::R(F)
- Tries
- Try
- R(F);
- Threat
- R1(F)
- Vars
- S(g);N_GUARD::QAB(G)
- S(g);N_GUARD,SBLOCK::QAB1(G)
- Refutation
- R(a);XS(A)
- Try
- R(H);
- Threat
- R1(H)
- Vars
- R(a);N_GUARD,XS(A)::R(F),XP(c)
- S(g);N_GUARD,SBLOCK::QAB1(G)
- S(g);N_GUARD::QAB(G)
- Refutation
- S(f);XB(E)
- Try
- R(H);XS(f)
- Threat
- R(H)
- Vars
- S(g);N_GUARD,SBLOCK::QAB(G)
- Refutation
- S(g);
- Try
- Actual
- R(H);
- Threat
- R1(H)
- Vars
- R(a);N_GUARD,XS(A)::R(F),XP(c)
- S(f);N_GUARD,XB(E)::R(H)
- S(g);N_GUARD,SBLOCK::QAB(G)
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