MESON Chess Problem Database
Problem Display
PID: 104553 (3r4/3Q1N2/3p4/8/r1n1nK2/1N1kP3/2R5/2R4b w - - 0 1)
Rice, John Michael
Correspondence Chess, 1962
#2
7 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Se5#
- 1...Sa3
- 2.Se5#
- 1...Sxe3
- 2.Se5#
- 1...Sa5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sf2
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sg3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sb2
- Tries
- 1.Qf5?
- threat
- 2.Qd5#
- 1...Sxe3
- 2.Rd2#
- 1...Sd2
- 2.Rxd2#
- 1...Sb2
- 2.Rd2#
- 1...Sa3
- 2.Rd2#
- 1...Sa5
- 2.Rd2#
- 1...Se5
- 2.Rd2#
- 1...Sb6
- 2.Rd2#
- 1...d5
- 2.Sc5#
- 1...Ra5!
- threat
- 1.Qxd6+?
- 1...Scxd6
- 2.Se5#
- 1...Sexd6
- 2.Sc5#
- 1...Rxd6!
- 1...Scxd6
- 1.Qf5?
- Keys
- 1.Qb5!
- threat
- 2.Qd5#
- 1...Sd2
- 2.Rxd2#
- 1...Ra5
- 2.Qxc4#
- 1...Sf2
- 2.Rd2#
- 1...Sc3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc5
- 2.Rd2#
- 1...Sg5
- 2.Rd2#
- 1...Sf6
- 2.Rd2#
- 1...d5
- 2.Se5#
- threat
- 1.Qb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- S(d);N_GUARD::S(G)
- S(d);N_GUARD,XP(D)::S(G)
- S(d);N_GUARD::S(G),XS(d)
- S(e);N_GUARD::S(C)
- S(e);N_GUARD::S(C),XS(e)
- Tries
- Try
- Q(F);N_PINP(f),P_PINS(e)
- Threat
- QAR2(F)
- Vars
- S(d);N_GUARD,XP(D)::R1(B)
- S(d);N_GUARD::R1(B),XS(d)
- S(d);N_GUARD::R1(B)
- P(f);N_GUARD::S(C)
- Refutation
- R(c);
- Try
- Q(F);CHECK,XP(f)
- Vars
- S(d);XQ(F)::S(G)
- S(e);XQ(F)::S(C)
- Refutation
- R(g);XQ(F)
- Try
- Actual
- Q(F);N_PINP(f),P_PINS(d)
- Threat
- QAR2(F)
- Vars
- S(e);N_GUARD::R1(B),XS(e)
- R(c);N_GUARD::QAB1(F),XS(d)
- S(e);N_GUARD::R1(B)
- P(f);N_GUARD::S(G)
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