MESON Chess Problem Database
Problem Display
PID: 22169 (1B3K2/5Q2/2kp1pR1/1b1N4/1R1P4/1P5p/6rp/7B w - - 0 1)
Hartong, Jan
1st HM., Tijdschrift vd NSB, 1925
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qc7#
- 1...Ra2
- 2.Qc7#
- 1...Rb2
- 2.Qc7#
- 1...Rc2
- 2.Qc7#
- 1...Rd2
- 2.Qc7#
- 1...Re2
- 2.Qc7#
- 1...Rf2
- 2.Qc7#
- 1...Rg3
- 2.Qc7#
- 1...Rg4
- 2.Qc7#
- 1...Rg5
- 2.Qc7#
- 1...Rxg6
- 2.Qc7#
- 1...Bf1
- 2.Rb6#
- 2.Qb7#
- 1...Be2
- 2.Rb6#
- 2.Qb7#
- 1...Bd3
- 2.Rb6#
- 2.Qb7#
- 1...Ba4
- 2.Rb6#
- 2.Qb7#
- 1...Bc4
- 2.Rb6#
- 2.Qb7#
- 1...Ba6
- 2.Rb6#
- 1...f5
- 2.Rxd6#
- 1...Rg1
- Tries
- 1.Ke8?
- 1...Rxg6
- 2.Qc7#
- 2.Qd7#
- 1...Rg1
- 2.Qc7#
- 2.Qd7#
- 1...Ra2
- 2.Qc7#
- 2.Qd7#
- 1...Rb2
- 2.Qc7#
- 2.Qd7#
- 1...Rc2
- 2.Qc7#
- 2.Qd7#
- 1...Rd2
- 2.Qc7#
- 2.Qd7#
- 1...Rf2
- 2.Qc7#
- 2.Qd7#
- 1...Rg3
- 2.Qc7#
- 2.Qd7#
- 1...Rg4
- 2.Qc7#
- 2.Qd7#
- 1...Rg5
- 2.Qc7#
- 2.Qd7#
- 1...Bf1
- 2.Se7#
- 2.Rb6#
- 2.Qb7#
- 1...Be2
- 2.Se7#
- 2.Rb6#
- 2.Qb7#
- 1...Bd3
- 2.Se7#
- 2.Rb6#
- 2.Qb7#
- 1...Ba4
- 2.Se7#
- 2.Rb6#
- 2.Qb7#
- 1...Bc4
- 2.Se7#
- 2.Rb6#
- 2.Qb7#
- 1...Ba6
- 2.Se7#
- 2.Rb6#
- 1...f5
- 2.Rxd6#
- 1...Re2+!
- 1...Rxg6
- 1.Ba7?
- 1...Rxg6
- 2.Qc7#
- 1...Rg1
- 2.Qc7#
- 1...Ra2
- 2.Qc7#
- 1...Rb2
- 2.Qc7#
- 1...Rc2
- 2.Qc7#
- 1...Rd2
- 2.Qc7#
- 1...Re2
- 2.Qc7#
- 1...Rf2
- 2.Qc7#
- 1...Rg3
- 2.Qc7#
- 1...Rg4
- 2.Qc7#
- 1...Rg5
- 2.Qc7#
- 1...Bf1
- 2.Rb6#
- 2.Qb7#
- 1...Be2
- 2.Rb6#
- 2.Qb7#
- 1...Bd3
- 2.Rb6#
- 2.Qb7#
- 1...Ba4
- 2.Rb6#
- 2.Qb7#
- 1...Bc4
- 2.Rb6#
- 2.Qb7#
- 1...Ba6
- 2.Rb6#
- 1...f5!
- 1...Rxg6
- 1.Rxb5?
- threat
- 2.Rb6#
- 2.Qe8#
- 2.Qb7#
- 1...Re2
- 2.Rb6#
- 2.Qb7#
- 1...Kxb5!
- threat
- 1.Rg3?
- 1...Rxg3
- 2.Qc7#
- 1...Rg1
- 2.Qc7#
- 1...Ra2
- 2.Qc7#
- 1...Rb2
- 2.Qc7#
- 1...Rc2
- 2.Qc7#
- 1...Rd2
- 2.Qc7#
- 1...Re2
- 2.Qc7#
- 1...Rf2
- 2.Qc7#
- 1...Bf1
- 2.Rb6#
- 2.Qb7#
- 1...Be2
- 2.Rb6#
- 2.Qb7#
- 1...Bd3
- 2.Rb6#
- 2.Qb7#
- 1...Ba4
- 2.Rc3#
- 2.Rb6#
- 2.Qb7#
- 1...Bc4
- 2.Rb6#
- 2.Qb7#
- 1...Ba6
- 2.Rb6#
- 1...f5!
- 1...Rxg3
- 1.Rg4?
- 1...Rxg4
- 2.Qc7#
- 1...Rg1
- 2.Qc7#
- 1...Ra2
- 2.Qc7#
- 1...Rb2
- 2.Qc7#
- 1...Rc2
- 2.Qc7#
- 1...Rd2
- 2.Qc7#
- 1...Re2
- 2.Qc7#
- 1...Rf2
- 2.Qc7#
- 1...Rg3
- 2.Qc7#
- 1...Bf1
- 2.Rb6#
- 2.Qb7#
- 1...Be2
- 2.Rb6#
- 2.Qb7#
- 1...Bd3
- 2.Rb6#
- 2.Qb7#
- 1...Ba4
- 2.Rb6#
- 2.Qb7#
- 1...Bc4
- 2.Rb6#
- 2.Qb7#
- 1...Ba6
- 2.Rb6#
- 1...f5!
- 1...Rxg4
- 1.Rxf6?
- threat
- 2.Rxd6#
- 1...Rg6
- 2.Qc7#
- 1...Rg8+!
- threat
- 1.Rg7?
- threat
- 2.Qb7#
- 1...Ba6
- 2.Rb6#
- 1...Rxg7!
- threat
- 1.Qe7?
- 1...Rxg6
- 2.Qc7#
- 1...f5
- 2.Rxd6#
- 1...Rg1
- 2.Qc7#
- 1...Ra2
- 2.Qc7#
- 1...Rb2
- 2.Qc7#
- 1...Rc2
- 2.Qc7#
- 1...Rd2
- 2.Qc7#
- 1...Re2
- 2.Qc7#
- 1...Rf2
- 2.Qc7#
- 1...Rg3
- 2.Qc7#
- 1...Rg4
- 2.Qc7#
- 1...Rg5
- 2.Qc7#
- 1...Bf1
- 2.Qxd6#
- 2.Qb7#
- 1...Be2
- 2.Qxd6#
- 2.Qb7#
- 1...Bd3
- 2.Qxd6#
- 2.Qb7#
- 1...Ba4
- 2.Qxd6#
- 2.Qb7#
- 1...Bc4
- 2.Qxd6#
- 2.Qb7#
- 1...Ba6
- 2.Qxd6#
- 1...Kxd5!
- 1...Rxg6
- 1.Ke8?
- Keys
- 1.Bxd6!
- 1...Kxd6
- 2.Rxf6#
- 1...Rxg6
- 2.Qc7#
- 1...f5
- 2.Bg3#
- 1...Rg1
- 2.Qc7#
- 1...Ra2
- 2.Qc7#
- 1...Rb2
- 2.Qc7#
- 1...Rc2
- 2.Qc7#
- 1...Rd2
- 2.Qc7#
- 1...Re2
- 2.Qc7#
- 1...Rf2
- 2.Qc7#
- 1...Rg3
- 2.Qc7#
- 1...Rg4
- 2.Qc7#
- 1...Rg5
- 2.Qc7#
- 1...Bf1
- 2.Rb6#
- 1...Be2
- 2.Rb6#
- 1...Bd3
- 2.Rb6#
- 1...Ba4
- 2.Rb6#
- 1...Bc4
- 2.Rb6#
- 1...Ba6
- 2.Rb6#
- 1...Kxd6
- 1.Bxd6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(a);::QAR1(G)
- R(a);XR(F)::QAR1(G)
- B(d);OGATE::R1(C)
- P(g);OGATE,P_SPINP(f)::R1(F),XP(f)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- P(g);OGATE,P_SPINP(f)::R1(F),XP(f)
- Refutation
- R(a);CHECK
- Try
- B(H);
- Vars
- R(a);XR(F)::QAR1(G)
- R(a);::QAR1(G)
- B(d);OGATE::R1(C)
- Refutation
- P(g);P_SPINP(f)
- Try
- R(C);XB(d)
- Threat
- DUALS(3)
- Refutation
- K(e);S_FLIGHT,XR(C)
- Try
- R(F);
- Vars
- R(a);XR(F)::QAR1(G)
- R(a);::QAR1(G)
- B(d);OGATE::R1(C)
- Refutation
- P(g);
- Try
- R(F);
- Vars
- R(a);XR(F)::QAR1(G)
- R(a);::QAR1(G)
- B(d);OGATE::R1(C)
- Refutation
- P(g);
- Try
- R(F);P_PINP(f),XP(g)
- Threat
- R1(F),XP(f)
- Vars
- R(a);::QAR1(G)
- Refutation
- R(a);CHECK
- Try
- R(F);
- Threat
- QAB1(G)
- Vars
- B(d);OGATE::R1(C)
- Refutation
- R(a);XR(F)
- Try
- Q(G);
- Vars
- R(a);XR(F)::QAR1(G)
- P(g);OGATE,P_SPINP(f)::R1(F),XP(f)
- R(a);::QAR1(G)
- B(d);::QAR1(G),XP(f)
- Refutation
- K(e);P_SPINR(a),S_FLIGHT,XS(E)
- Try
- Actual
- B(H);XP(f)
- Vars
- K(e);OGATEB,P-FLIGHT,P_SPINP(g),XB(H)::R(F),XP(g)
- R(a);XR(F)::QAR1(G)
- P(g);OGATEB::R(F)+B(H)
- R(a);::QAR1(G)
- B(d);OGATE::R1(C)
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