MESON Chess Problem Database
Problem Display
PID: 21737 (1B2R1bb/K2P4/2Q1r1p1/3R4/1pp1kp2/3pN3/2nn4/3B1N2 w - - 0 1)
Hartong, Jan
1st Prize, Western Daily Mercury, 1920/I
(First published on Fri May 21 1920)
#2
9 + 11
| 15239 | Valois Notebooks | 2020 |
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Qxg6#
- 1...Re7
- 2.Qxg6#
- 1...Rxe8
- 2.Qxg6#
- 1...Bd4+
- 2.Rc5#
- 1...Be5
- 2.Rd6#
- 1...Sxe3
- 2.Sxd2#
- 1...Sd4
- 2.Re5#
- 1...fxe3
- 2.Sg3#
- 1...Re5
- Tries
- 1.Sxc2?
- threat
- 2.Sxd2#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rg5#
- 2.Rh5#
- 1...Bd4+
- 2.Rc5#
- 1...Rxe8
- 2.Sxd2#
- 2.Re5#
- 1...Sxf1
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rg5#
- 2.Rh5#
- 1...Re5
- 2.Rdxe5#
- 1...Be5
- 2.Rxe5#
- 1...Re7
- 2.Sxd2#
- 2.Re5#
- 1...Bc3
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rg5#
- 2.Rh5#
- 1...Sb1
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rg5#
- 2.Rh5#
- 1...Sb3
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rg5#
- 2.Rh5#
- 1...Sf3
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rg5#
- 2.Rh5#
- 1...c3
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rg5#
- 2.Rh5#
- 1...f3
- 2.Sxd2#
- 2.Sg3#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rg5#
- 2.Rh5#
- 1...g5
- 2.Sxd2#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rxg5#
- 1...dxc2!
- threat
- 1.Sf5?
- threat
- 2.Sxd2#
- 2.Sd6#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 1...Bd4+
- 2.Rc5#
- 1...Rxe8
- 2.Sxd2#
- 2.Sd6#
- 2.Re5#
- 1...Sxf1
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 1...Re5
- 2.Sd6#
- 2.Rdxe5#
- 1...Be5
- 2.Rxe5#
- 1...Re7
- 2.Sxd2#
- 2.Sd6#
- 2.Re5#
- 1...Bc3
- 2.Sd6#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 1...Se3
- 2.Sxd2#
- 2.Sd6#
- 2.Re5#
- 1...Sd4
- 2.Sxd2#
- 2.Sd6#
- 2.Re5#
- 1...Sb1
- 2.Sd6#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 1...Sb3
- 2.Sd6#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 1...Sf3
- 2.Sd6#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 1...c3
- 2.Sd6#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 1...f3
- 2.Sxd2#
- 2.S1g3#
- 2.S5g3#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 1...gxf5!
- threat
- 1.Rxe6+?
- 1...Be5
- 2.Rdd6#
- 2.Rexe5#
- 1...Bxe6!
- 1...Be5
- 1.Qxe6+?
- 1...Be5
- 2.Qxe5#
- 2.Qxg6#
- 1...Bxe6!
- 1...Be5
- 1.d8Q?
- threat
- 2.Rxd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd7#
- 1...Bd4+
- 2.Rxd4#
- 2.Rc5#
- 1...Rxe8
- 2.Rd4#
- 2.Re5#
- 2.Qxg6#
- 1...Sxe3
- 2.Sxd2#
- 2.Re5#
- 1...Sxf1
- 2.Rxd3#
- 2.Re5#
- 1...fxe3
- 2.Sg3#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rg5#
- 2.Rh5#
- 2.Qh4#
- 1...Re5
- 2.Rd4#
- 2.Rdxe5#
- 2.Qxg6#
- 1...Be5
- 2.Rd4#
- 2.Rxe5#
- 2.Rd6#
- 1...Sd4
- 2.Rxd4#
- 2.Re5#
- 1...f3
- 2.Rxd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd7#
- 2.Qh4#
- 1...g5
- 2.Rxd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rxg5#
- 2.Rd7#
- 1...Re7+!
- threat
- 1.d8R?
- threat
- 2.Rxd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.R5d7#
- 1...Bd4+
- 2.Rxd4#
- 2.Rc5#
- 1...Rxe8
- 2.Rd4#
- 2.Re5#
- 2.Qxg6#
- 1...Sxe3
- 2.Sxd2#
- 2.Re5#
- 1...Sxf1
- 2.Rxd3#
- 2.Re5#
- 1...fxe3
- 2.Sg3#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rg5#
- 2.Rh5#
- 1...Re5
- 2.Rd4#
- 2.Rdxe5#
- 2.Qxg6#
- 1...Be5
- 2.Rd4#
- 2.Rxe5#
- 2.R5d6#
- 1...Sd4
- 2.Rxd4#
- 2.Re5#
- 1...f3
- 2.Rxd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.R5d7#
- 1...g5
- 2.Rxd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rxg5#
- 2.R5d7#
- 1...Re7+!
- threat
- 1.Sxc2?
- Keys
- 1.Be2!
- threat
- 2.Rxd3#
- 1...Bd4+
- 2.Rc5#
- 1...Rxe8
- 2.Qxg6#
- 1...Sxe3
- 2.Sxd2#
- 1...dxe2
- 2.Rxd2#
- 1...fxe3
- 2.Sg3#
- 1...Re5
- 2.Qxg6#
- 1...Re7
- 2.Qxg6#
- 1...Be5
- 2.Rd6#
- 1...Sd4
- 2.Re5#
- threat
- 1.Be2!
This anticipates 198453(1986)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(h);OGATE::QAB(E),XP(i)
- R(h);OGATE,P_PINP(G)::QAB(E),XP(i)
- R(h);N_SPINR(h),OGATE,XR(I)::QAB(E),XP(i)
- B(k);CHECK,SBLOCK::QAB(E)+R(D)
- B(k);N_SPINR(h),SBLOCK::QAB(E)+R(D)
- S(a);SBLOCK,XS(C)::S(B),XS(b)
- S(a);SBLOCK::QAB(E)+R(D),DCHECK
- P(g);N_GUARD,SBLOCK,XS(C)::S(B)
- Tries
- Try
- S(C);XS(a)
- Threat
- DUALS(7)
- Vars
- B(k);CHECK::QAB(E)+R(D)
- R(h);::QAB(E)+R(D),DCHECK,XR(h)
- B(k);N_SPINR(h)::QAB(E)+R(D),DCHECK,XB(k)
- Refutation
- P(c);XS(C)
- Try
- S(C);
- Threat
- DUALS(6)
- Vars
- B(k);CHECK::QAB(E)+R(D)
- B(k);N_SPINR(h)::QAB(E)+R(D),DCHECK,XB(k)
- Refutation
- P(i);XS(C)
- Try
- R(I);CHECK,XR(h)
- Refutation
- B(j);XR(I)
- Try
- Q(E);CHECK,XR(h)
- Refutation
- B(j);P_SPINB(j),XQ(E)
- Try
- P(G);
- Threat
- DUALS(10)
- Refutation
- R(h);CHECK
- Try
- P(G);
- Threat
- DUALS(10)
- Refutation
- R(h);CHECK
- Try
- Actual
- B(A);
- Threat
- QAB(E)+R(D),XP(c)
- Vars
- B(k);CHECK,SBLOCK::QAB(E)+R(D)
- R(h);N_SPINR(h),OGATE,XR(I)::QAB(E),XP(i)
- S(a);SBLOCK,XS(C)::S(B),XS(b)
- P(c);OGATE,XB(A)::QAB(E)+R(D),XS(b)
- P(g);N_GUARD,SBLOCK,XS(C)::S(B)
- R(h);OGATE::QAB(E),XP(i)
- R(h);OGATE,P_PINP(G)::QAB(E),XP(i)
- B(k);N_SPINR(h),SBLOCK::QAB(E)+R(D)
- S(a);SBLOCK::QAB(E)+R(D),DCHECK
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