MESON Chess Problem Database
Problem Display
PID: 16813 (5B2/Q1p5/2P2p2/4k3/3R1NP1/1n1P3p/3n1K1P/8 w - - 0 1)
Hartong, Jan
1st Prize, Nederlandse Bond van Probleemvrienden 047. TT, 1943
#2
9 + 6
| 5152 | Mededelingenblad | 1943 |
| 742 | Problem (Zagreb) | 1951 |
| 102 | Probleemblad | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Se4+
- 2.Rxe4#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sxd4
- 2.Qxc7#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...f5
- 2.Bg7#
- 1...Sb1
- Tries
- 1.Ke1?
- 1...Sxd4
- 2.Qxc7#
- 1...Se4
- 2.Rxe4#
- 1...Sc5
- 2.Qxc5#
- 1...f5
- 2.Bg7#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...Sf3+!
- 1...Sxd4
- 1.Kg1?
- 1...Sxd4
- 2.Qxc7#
- 1...Se4
- 2.Rxe4#
- 1...Sc5
- 2.Qxc5#
- 1...f5
- 2.Bg7#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...Sf3+!
- 1...Sxd4
- 1.Kg3?
- threat
- 2.Rd5#
- 1...Se4+
- 2.Rxe4#
- 1...Sxd4
- 2.Qc5#
- 2.Qxc7#
- 1...f5
- 2.Bg7#
- 1...Sf1+!
- threat
- 1.Ba3?
- 1...Se4+
- 2.Rxe4#
- 1...Sxd4
- 2.Qxc7#
- 1...Sc5
- 2.Qxc5#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...f5!
- 1...Se4+
- 1.Bb4?
- 1...Se4+
- 2.Rxe4#
- 1...Sxd4
- 2.Qxc7#
- 1...Sc5
- 2.Qxc5#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...f5!
- 1...Se4+
- 1.Bc5?
- threat
- 2.Qxc7#
- 1...Se4+
- 2.Rxe4#
- 1...Sxc5
- 2.Qxc5#
- 1...Sc4
- 2.Re4#
- 1...f5!
- threat
- 1.Bh6?
- threat
- 2.Rd5#
- 1...Sxd4
- 2.Qc5#
- 2.Qxc7#
- 1...f5
- 2.Bg7#
- 1...Se4+!
- threat
- 1.Be7?
- 1...Se4+
- 2.Rxe4#
- 1...Sxd4
- 2.Qxc7#
- 1...Sc5
- 2.Qxc5#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...f5!
- 1...Se4+
- 1.Qb6?
- 1...Se4+
- 2.Rxe4#
- 1...Sxd4
- 2.Qxc7#
- 1...Sc5
- 2.Qxc5#
- 1...f5
- 2.Bg7#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...cxb6!
- 1...Se4+
- 1.Qa3?
- 1...Se4+
- 2.Rxe4#
- 1...Kxd4
- 2.Qb2#
- 1...f5
- 2.Bg7#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sxd4!
- 1...Se4+
- 1.Qa4?
- threat
- 2.Rd5#
- 1...Se4+
- 2.Rxe4#
- 1...Sc4
- 2.Re4#
- 1...f5
- 2.Bg7#
- 1...Sxd4!
- threat
- 1.Ke1?
- Keys
- 1.Qa2!
- 1...Se4+
- 2.Rxe4#
- 1...Kxd4
- 2.Qb2#
- 1...Sxd4
- 2.Sg6#
- 1...f5
- 2.Bg7#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Sa1
- 2.Qd5#
- 1...Sc1
- 2.Qd5#
- 1...Sa5
- 2.Qd5#
- 1...Sc5
- 2.Qd5#
- 1...Se4+
- 1.Qa2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(D)
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- S(b);N_GUARD::QAR2(H)
- S(b);SBLOCK,XR(D)::QAB(H),XP(f)
- S(b);N_GUARD::QAR2(H),XS(b)
- P(e);OGATEB::B(I)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- S(b);SBLOCK,XR(D)::QAB(H),XP(f)
- S(a);N_GUARD::R1(D),XS(a)
- S(b);N_GUARD::QAR2(H),XS(b)
- P(e);OGATEB::B(I)
- S(a);N_GUARD::R1(D)
- S(b);N_GUARD::QAR2(H)
- Refutation
- S(a);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- S(b);SBLOCK,XR(D)::QAB(H),XP(f)
- S(a);N_GUARD::R1(D),XS(a)
- S(b);N_GUARD::QAR2(H),XS(b)
- P(e);OGATEB::B(I)
- S(a);N_GUARD::R1(D)
- S(b);N_GUARD::QAR2(H)
- Refutation
- S(a);CHECK
- Try
- K(A);S_FLIGHT
- Threat
- R1(D)
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- P(e);OGATEB::B(I)
- Refutation
- S(a);CHECK
- Try
- B(I);
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- S(b);SBLOCK,XR(D)::QAB(H),XP(f)
- S(b);N_GUARD::QAR2(H),XS(b)
- S(a);N_GUARD::R1(D)
- S(b);N_GUARD::QAR2(H)
- Refutation
- P(e);
- Try
- B(I);
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- S(b);SBLOCK,XR(D)::QAB(H),XP(f)
- S(b);N_GUARD::QAR2(H),XS(b)
- S(a);N_GUARD::R1(D)
- S(b);N_GUARD::QAR2(H)
- Refutation
- P(e);
- Try
- B(I);
- Threat
- QAB(H),XP(f)
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- S(b);OGATE,XB(I)::QAR2(H),XS(b)
- S(a);N_GUARD::R1(D)
- Refutation
- P(e);
- Try
- B(I);
- Threat
- R1(D)
- Vars
- P(e);OGATEB::B(I)
- Refutation
- S(a);CHECK
- Try
- B(I);
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- S(b);SBLOCK,XR(D)::QAB(H),XP(f)
- S(b);N_GUARD::QAR2(H),XS(b)
- S(a);N_GUARD::R1(D)
- S(b);N_GUARD::QAR2(H)
- Refutation
- P(e);
- Try
- Q(H);
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- S(b);SBLOCK,XR(D)::QAB(H),XP(f)
- S(b);N_GUARD::QAR2(H),XS(b)
- P(e);OGATEB::B(I)
- S(a);N_GUARD::R1(D)
- S(b);N_GUARD::QAR2(H)
- Refutation
- P(f);XQ(H)
- Try
- Q(H);
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB(H)
- P(e);OGATEB::B(I)
- S(a);N_GUARD::R1(D)
- S(b);N_GUARD::QAR2(H)
- S(b);N_GUARD::QAR2(H),XS(b)
- Refutation
- S(b);XR(D)
- Try
- Q(H);
- Threat
- R1(D)
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- P(e);OGATEB::B(I)
- Refutation
- S(b);XR(D)
- Try
- Actual
- Q(H);
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB(H)
- S(b);SBLOCK,XR(D)::S(E)
- P(e);OGATEB::B(I)
- S(a);N_GUARD::R1(D)
- S(b);OGATE::QAR1(H)
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