MESON Chess Problem Database
Problem Display
PID: 18780 (K1B2Q2/8/P2rR3/k3P3/8/2NN4/8/8 w - - 0 1)
Hartong, Jan
Il Due Mosse, 1958
#2
8 + 2
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Qa3#
- 2.Qc5#
- 1...Rd4
- 2.Qc5#
- 1...Rd5
- 2.Qa3#
- 2.Qb4#
- 1...Rxa6+
- 2.Rxa6#
- 1...Rb6
- 2.Qa3#
- 1...Rc6
- 2.Qb4#
- 1...Rxe6
- 2.Qb4#
- 2.Qc5#
- 1...Rd7
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Rd8
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 2.Qxd8#
- 1...Rxd3
- Tries
- 1.Ka7?
- 1...Rxa6+
- 2.Rxa6#
- 1...Rxd3
- 2.Qa3#
- 2.Qc5#
- 1...Rxe6
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Rd4
- 2.Qc5#
- 1...Rd5
- 2.Qa3#
- 2.Qb4#
- 1...Rb6
- 2.Qa3#
- 1...Rc6
- 2.Qa3#
- 2.Qb4#
- 1...Rd8
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 2.Qxd8#
- 1...Rd7+!
- 1...Rxa6+
- 1.Rf6?
- 1...Rxa6+
- 2.Rxa6#
- 1...Rxd3
- 2.Qa3#
- 2.Qc5#
- 1...Rxf6
- 2.Qb4#
- 2.Qc5#
- 1...Rd4
- 2.Qc5#
- 1...Rd5
- 2.Qa3#
- 2.Qb4#
- 1...Rb6
- 2.Qa3#
- 1...Rc6
- 2.Qb4#
- 1...Re6
- 2.Qb4#
- 2.Qc5#
- 1...Rd7
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Rd8
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 2.Qxd8#
- 1...Kb6!
- 1...Rxa6+
- 1.Rg6?
- 1...Rxa6+
- 2.Rxa6#
- 1...Rxd3
- 2.Qa3#
- 2.Qc5#
- 1...Rxg6
- 2.Qb4#
- 2.Qc5#
- 1...Rd4
- 2.Qc5#
- 1...Rd5
- 2.Qa3#
- 2.Qb4#
- 1...Rb6
- 2.Qa3#
- 1...Rc6
- 2.Qb4#
- 1...Re6
- 2.Qb4#
- 2.Qc5#
- 1...Rf6
- 2.Qb4#
- 2.Qc5#
- 1...Rd7
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Rd8
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 2.Qxd8#
- 1...Kb6!
- 1...Rxa6+
- 1.Rh6?
- 1...Rxa6+
- 2.Rxa6#
- 1...Rxd3
- 2.Qa3#
- 2.Qc5#
- 1...Rxh6
- 2.Qb4#
- 2.Qc5#
- 1...Rd4
- 2.Qc5#
- 1...Rd5
- 2.Qa3#
- 2.Qb4#
- 1...Rb6
- 2.Qa3#
- 1...Rc6
- 2.Qb4#
- 1...Re6
- 2.Qb4#
- 2.Qc5#
- 1...Rf6
- 2.Qb4#
- 2.Qc5#
- 1...Rg6
- 2.Qb4#
- 2.Qc5#
- 1...Rd7
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Rd8
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 2.Qxd8#
- 1...Kb6!
- 1...Rxa6+
- 1.Qe7?
- 1...Rxa6+
- 2.Rxa6#
- 1...Rxd3
- 2.Qa3#
- 2.Qc5#
- 1...Rxe6
- 2.Qb4#
- 2.Qc5#
- 1...Rd4
- 2.Qc5#
- 2.Qc7#
- 1...Rd5
- 2.Qa3#
- 2.Qb4#
- 2.Qc7#
- 1...Rb6
- 2.Qa3#
- 1...Rc6
- 2.Qb4#
- 1...Rd7
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Rd8
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 2.Qxd8#
- 2.Qc7#
- 1...Kb6!
- 1...Rxa6+
- 1.Qd8+?
- 1...Rb6
- 2.Qxb6#
- 1...Rxd8!
- 1...Rb6
- 1.a7?
- 1...Rxd3
- 2.Ra6#
- 2.Qa3#
- 2.Qc5#
- 1...Rxe6
- 2.Qb4#
- 2.Qc5#
- 1...Rd4
- 2.Ra6#
- 2.Qc5#
- 1...Rd5
- 2.Ra6#
- 2.Qa3#
- 2.Qb4#
- 1...Ra6
- 2.Rxa6#
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Rb6
- 2.Qa3#
- 1...Rc6
- 2.Qb4#
- 1...Rd7
- 2.Ra6#
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Rd8
- 2.Ra6#
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 2.Qxd8#
- 1...Kb6!
- 1...Rxd3
- 1.Ka7?
- Keys
- 1.Bb7!
- 1...Rxa6+
- 2.Rxa6#
- 1...Rd8+
- 2.Qxd8#
- 1...Kb6
- 2.Qd8#
- 1...Rxd3
- 2.Qa3#
- 2.Qc5#
- 1...Rxe6
- 2.Qb4#
- 2.Qc5#
- 1...Rd4
- 2.Qc5#
- 1...Rd5
- 2.Qa3#
- 2.Qb4#
- 1...Rb6
- 2.Qa3#
- 1...Rc6
- 2.Qb4#
- 1...Rd7
- 2.Qa3#
- 2.Qb4#
- 2.Qc5#
- 1...Rxa6+
- 1.Bb7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);OGATE::QAR2(H)
- R(b);CHECK,OGATE,XP(D)::R1(E),XR(b)
- R(b);OGATE::QAB1(H)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- R(b);CHECK,OGATE,XP(D)::R1(E),XR(b)
- R(b);OGATE::QAR2(H)
- Refutation
- R(b);CHECK
- Try
- R(E);
- Vars
- R(b);CHECK,OGATE,XP(D)::R1(E),XR(b)
- R(b);OGATE::QAR2(H)
- R(b);OGATE::QAB1(H)
- Refutation
- K(a);P_SPINR(b),S_FLIGHT
- Try
- R(E);
- Vars
- R(b);CHECK,OGATE,XP(D)::R1(E),XR(b)
- R(b);OGATE::QAR2(H)
- R(b);OGATE::QAB1(H)
- Refutation
- K(a);P_SPINR(b),S_FLIGHT
- Try
- R(E);
- Vars
- R(b);CHECK,OGATE,XP(D)::R1(E),XR(b)
- R(b);OGATE::QAR2(H)
- R(b);OGATE::QAB1(H)
- Refutation
- K(a);P_SPINR(b),S_FLIGHT
- Try
- Q(H);
- Vars
- R(b);CHECK,OGATE,XP(D)::R1(E),XR(b)
- R(b);OGATE::QAR2(H)
- R(b);OGATE::QAB1(H)
- Refutation
- K(a);P_SPINR(b),S_FLIGHT
- Try
- Q(H);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAB1(H),XR(b)
- Refutation
- R(b);P_PINB(G),XQ(H)
- Try
- P(D);
- Vars
- R(b);OGATE::QAR2(H)
- R(b);OGATE::QAB1(H)
- Refutation
- K(a);P_SPINR(b),S_FLIGHT
- Try
- Actual
- B(G);
- Vars
- R(b);CHECK,OGATE,XP(D)::R1(E),XR(b)
- R(b);CHECK,N_GUARD::QAB(H),XR(b)
- K(a);P_SPINR(b),S_FLIGHT::QAB(H)
- R(b);OGATE::QAR2(H)
- R(b);OGATE::QAB1(H)
Developed and maintained by Brian Stephenson.
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