MESON Chess Problem Database
Problem Display
PID: 173573 (8/b2n3B/1r2p3/8/5P2/2P1kpK1/Q1R5/8 w - - 0 1)
Csak, Janos
Boletim da UBP, 1984
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...f2
- 2.Re2#
- 1...f2
- Tries
- 1.Rc1?
- threat
- 2.Re1#
- 2.Qf2#
- 1...Rb1
- 2.Qf2#
- 1...f2
- 2.Qxf2#
- 1...Rb2!
- threat
- 1.Rf2?
- threat
- 2.Rxf3#
- 2.Qd2#
- 1...Rd6
- 2.Rxf3#
- 1...Se5
- 2.Qd2#
- 1...Rb2!
- threat
- 1.Rg2?
- threat
- 2.Qd2#
- 2.Qf2#
- 1...fxg2
- 2.Qf2#
- 1...Rd6
- 2.Qf2#
- 1...f2
- 2.Qxf2#
- 1...Rb2!
- threat
- 1.Rh2?
- threat
- 2.Qd2#
- 2.Qf2#
- 1...Rd6
- 2.Qf2#
- 1...f2
- 2.Qxf2#
- 1...Rb2!
- threat
- 1.Qb1?
- threat
- 2.Qc1#
- 2.Qe1#
- 1...Rd6
- 2.Qe1#
- 1...f2
- 2.Qc1#
- 1...Rxb1!
- threat
- 1.Qd5?
- threat
- 2.Qxf3#
- 2.Qe4#
- 2.Qd2#
- 2.Qd3#
- 2.Qd4#
- 1...Rb1
- 2.Qxf3#
- 2.Qe4#
- 2.Qd2#
- 2.Qd3#
- 1...Rb2
- 2.Qxf3#
- 2.Qe4#
- 2.Qd2#
- 2.Qd3#
- 1...Rb3
- 2.Qxf3#
- 2.Qe4#
- 2.Qd2#
- 2.Qd3#
- 1...Rb4
- 2.Qxf3#
- 2.Qd2#
- 2.Qd3#
- 1...Rb5
- 2.Qxf3#
- 2.Qe4#
- 2.Qd2#
- 2.Qd3#
- 1...Ra6
- 2.Qxf3#
- 2.Qe4#
- 2.Qd2#
- 2.Qd3#
- 1...Rc6
- 2.Qxf3#
- 2.Qe4#
- 2.Qd2#
- 2.Qd3#
- 1...Rd6
- 2.Qxf3#
- 2.Qe4#
- 1...Rb7
- 2.Qxf3#
- 2.Qe4#
- 2.Qd2#
- 2.Qd3#
- 1...Rb8
- 2.Qxf3#
- 2.Qe4#
- 2.Qd2#
- 2.Qd3#
- 1...Sc5
- 2.Qxf3#
- 2.Qd2#
- 2.Qd4#
- 2.Qxc5#
- 1...Se5
- 2.Qe4#
- 2.Qd2#
- 2.Qd4#
- 2.Qc5#
- 2.Qxe5#
- 1...Sf6
- 2.Qxf3#
- 2.Qd2#
- 2.Qd3#
- 2.Qd4#
- 2.Qc5#
- 1...f2
- 2.Qf3#
- 2.Qe4#
- 2.Qd2#
- 2.Qd3#
- 2.Qd4#
- 1...e5
- 2.Qxf3#
- 2.Qe4#
- 2.Qd2#
- 2.Qd3#
- 1...exd5!
- threat
- 1.Qxe6+?
- 1...Se5
- 2.Qxe5#
- 1...Rxe6!
- 1...Se5
- 1.Qa1?
- threat
- 2.Qc1#
- 2.Qe1#
- 1...Rd6
- 2.Qe1#
- 1...f2
- 2.Qc1#
- 1...Rb1!
- threat
- 1.Qa4?
- threat
- 2.Qd4#
- 2.Qe4#
- 1...Rb1
- 2.Qe4#
- 1...Rb2
- 2.Qe4#
- 1...Rb3
- 2.Qe4#
- 1...Rb5
- 2.Qe4#
- 1...Ra6
- 2.Qe4#
- 1...Rc6
- 2.Qe4#
- 1...Rd6
- 2.Qe4#
- 1...Rb7
- 2.Qe4#
- 1...Rb8
- 2.Qe4#
- 1...Sc5
- 2.Qd4#
- 1...Sf6
- 2.Qd4#
- 1...e5
- 2.Qe4#
- 1...Rb4!
- threat
- 1.Rc1?
- Keys
- 1.Qc4!
- threat
- 2.Qd3#
- 2.Qd4#
- 2.Qe4#
- 1...Rb1
- 2.Qd3#
- 2.Qe4#
- 1...Rb2
- 2.Qd3#
- 2.Qe4#
- 1...Rb3
- 2.Qd3#
- 2.Qe4#
- 1...Rb4
- 2.Qd3#
- 1...Rb5
- 2.Qd3#
- 2.Qe4#
- 1...Ra6
- 2.Qd3#
- 2.Qe4#
- 1...Rc6
- 2.Qd3#
- 2.Qe4#
- 1...Rd6
- 2.Qe4#
- 1...Rb7
- 2.Qd3#
- 2.Qe4#
- 1...Rb8
- 2.Qd3#
- 2.Qe4#
- 1...Sc5
- 2.Qd4#
- 2.Qxc5#
- 1...Se5
- 2.Qd4#
- 2.Qe4#
- 2.Qc5#
- 1...Sf6
- 2.Qd3#
- 2.Qd4#
- 2.Qc5#
- 1...e5
- 2.Qd3#
- 2.Qe4#
- threat
- 1.Qc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- P(b);N_GUARD::R1(B)
- Tries
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(c);::QAB1(A)
- P(b);::QAB1(A),XP(b)
- Refutation
- R(c);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(c);::R1(B),XP(b)
- S(f);::QAB1(A)
- Refutation
- R(c);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- P(b);XR(B)::QAB1(A)
- R(c);::QAB1(A)
- P(b);::QAB1(A),XP(b)
- Refutation
- R(c);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(c);::QAB1(A)
- P(b);::QAB1(A),XP(b)
- Refutation
- R(c);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(c);::QAR2(A)
- P(b);::QAB(A)
- Refutation
- R(c);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(5)
- Refutation
- P(d);XQ(A)
- Try
- Q(A);CHECK,XP(d)
- Vars
- S(f);N_GUARD,P_SPINS(f)::QAR2(A),XS(f)
- Refutation
- R(c);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(c);::QAR2(A)
- P(b);::QAB(A)
- Refutation
- R(c);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(c);::QAR1(A)
- S(f);::QAB1(A)
- P(d);::QAR1(A)
- Refutation
- R(c);
- Try
- Actual
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(c);::QAR1(A)
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