MESON Chess Problem Database
Problem Display
PID: 223265 (8/1p6/pr6/Q7/2kP1N2/3p2P1/1p1p3R/1N1K4 w - - 0 1)
Slater, George James
English Mechanic and World of Science, 1885
(First published on Fri Dec 18 1885)
#2
7 + 7
| 6490 | yacpdb | 2020 |
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kb3
- 2.Sxd2#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Rh6
- 2.Qa4#
- 1...Kb3
- Tries
- 1.Kxd2?
- 1...Kxd4
- 2.Qd5#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Rh6
- 2.Qa4#
- 1...Kb3!
- 1...Kxd4
- 1.Rh1?
- 1...Kb3
- 2.Sxd2#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Rh6
- 2.Qa4#
- 1...Kxd4!
- 1...Kb3
- 1.Re2?
- 1...Kb3
- 2.Sxd2#
- 1...Kxd4
- 2.Qc3#
- 2.Qd5#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Rh6
- 2.Qa4#
- 1...dxe2+!
- 1...Kb3
- 1.Rf2?
- 1...Kb3
- 2.Sxd2#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Rh6
- 2.Qa4#
- 1...Kxd4!
- 1...Kb3
- 1.Rg2?
- 1...Kb3
- 2.Sxd2#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Rh6
- 2.Qa4#
- 1...Kxd4!
- 1...Kb3
- 1.Rh3?
- 1...Kb3
- 2.Sxd2#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Rh6
- 2.Qa4#
- 1...Kxd4!
- 1...Kb3
- 1.Rh5?
- threat
- 2.Qc3#
- 1...Kb3
- 2.Sxd2#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Kxd4!
- threat
- 1.Rh6?
- 1...Kb3
- 2.Sxd2#
- 1...Rxh6
- 2.Qa4#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Kxd4!
- 1...Kb3
- 1.Rh7?
- 1...Kb3
- 2.Sxd2#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Rh6
- 2.Qa4#
- 1...Kxd4!
- 1...Kb3
- 1.Rh8?
- 1...Kb3
- 2.Sxd2#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Rh6
- 2.Qa4#
- 1...Kxd4!
- 1...Kb3
- 1.g4?
- 1...Kb3
- 2.Sxd2#
- 1...Rb4
- 2.Qd5#
- 1...Rb3
- 2.Qc5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Rh6
- 2.Qa4#
- 1...Kxd4!
- 1...Kb3
- 1.Kxd2?
- Keys
- 1.Rh4!
- 1...Kb3
- 2.Sxd2#
- 1...Kxd4
- 2.Sg2#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 1...Rb5
- 2.Qc3#
- 1...Rc6
- 2.Qa4#
- 1...Rd6
- 2.Qa4#
- 1...Re6
- 2.Qa4#
- 1...Rf6
- 2.Qa4#
- 1...Rg6
- 2.Qa4#
- 1...Rh6
- 2.Qa4#
- 1...Kb3
- 1.Rh4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(d);S_FLIGHT::S(A),XP(b)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- R(f);N_GUARD::QAR2(G)
- Tries
- Try
- K(B);P-FLIGHT,XP(b)
- Vars
- K(d);P-FLIGHT,XP(E)::QAR1(G)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- R(f);N_GUARD::QAR2(G)
- Refutation
- K(d);S_FLIGHT
- Try
- R(C);
- Vars
- K(d);S_FLIGHT::S(A),XP(b)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- R(f);N_GUARD::QAR2(G)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- R(C);
- Vars
- K(d);S_FLIGHT::S(A),XP(b)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- R(f);N_GUARD::QAR2(G)
- Refutation
- P(c);CHECK,XR(C)
- Try
- R(C);
- Vars
- K(d);S_FLIGHT::S(A),XP(b)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- R(f);N_GUARD::QAR2(G)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- R(C);
- Vars
- K(d);S_FLIGHT::S(A),XP(b)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- R(f);N_GUARD::QAR2(G)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- R(C);
- Vars
- K(d);S_FLIGHT::S(A),XP(b)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- R(f);N_GUARD::QAR2(G)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- R(C);
- Threat
- QAR1(G)
- Vars
- K(d);S_FLIGHT::S(A),XP(b)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- R(C);
- Vars
- K(d);S_FLIGHT::S(A),XP(b)
- R(f);N_GUARD,XR(C)::QAR2(G)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- R(f);N_GUARD::QAR2(G)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- R(C);
- Vars
- K(d);S_FLIGHT::S(A),XP(b)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- R(f);N_GUARD::QAR2(G)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- R(C);
- Vars
- K(d);S_FLIGHT::S(A),XP(b)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- R(f);N_GUARD::QAR2(G)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- P(D);
- Vars
- K(d);S_FLIGHT::S(A),XP(b)
- R(f);SBLOCK::QAB1(G)
- R(f);SBLOCK::QAR1(G)
- R(f);N_GUARD::QAR2(G)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- Actual
- R(C);
- Vars
- K(d);S_FLIGHT::S(A),XP(b)
- K(d);P-FLIGHT,XP(E)::R(C)+S(F)
- R(f);SBLOCK::QAR1(G)
- R(f);SBLOCK::QAB1(G)
- R(f);N_GUARD::QAR2(G)
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