MESON Chess Problem Database

Problem Display
PID: 17585 (8/2p4Q/2p1p3/R1PPP1R1/3k3p/3p3K/P2P2P1/8 w - - 0 1)

Stockman, Curt Sixten Gabriel

2nd Place, Tidskrift for Schack, 1947

8/2p4Q/2p1p3/R1PPP1R1/3k3p/3p3K/P2P2P1/8

#2

10 + 6

3105 FIDE Album (1945-1955) 1964
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qe4#
    • 1...Kxd5
      • 2.Qxd3#
    • 1...cxd5
      • 2.Qxh4#
    • 1...exd5
      • 2.Qxh4#
  • Tries
    • 1.Kh2?
      • 1...Kc4
        • 2.Qe4#
      • 1...Kxd5
        • 2.Qxd3#
      • 1...cxd5
        • 2.Qxh4#
      • 1...exd5
        • 2.Qxh4#
      • 1...h3!
    • 1.Rg4+?
      • 1...Kxd5
        • 2.Qe4#
      • 1...Kxe5!
    • 1.Qf5?
      • 1...Kc4
        • 2.Qe4#
      • 1...Kxd5
        • 2.Qxd3#
      • 1...cxd5
        • 2.Rg4#
        • 2.Qg4#
        • 2.Qf4#
      • 1...exd5
        • 2.Rg4#
        • 2.Qg4#
        • 2.Qf4#
      • 1...exf5!
    • 1.a3?
      • 1...Kxd5
        • 2.Qxd3#
      • 1...cxd5
        • 2.Qxh4#
      • 1...exd5
        • 2.Qxh4#
      • 1...Kc4!
    • 1.a4?
      • 1...Kxd5
        • 2.Qxd3#
      • 1...cxd5
        • 2.Qxh4#
      • 1...exd5
        • 2.Qxh4#
      • 1...Kc4!
    • 1.g3?
      • 1...Kc4
        • 2.Qe4#
      • 1...Kxd5
        • 2.Qxd3#
      • 1...cxd5
        • 2.Qxh4#
      • 1...exd5
        • 2.Qxh4#
      • 1...hxg3!
    • 1.dxc6?
      • 1...Kc4
        • 2.Qe4#
      • 1...Kd5!
    • 1.dxe6?
      • 1...Kc4
        • 2.Qe4#
      • 1...Kd5!
    • 1.d6?
      • 1...Kc4
        • 2.Qe4#
      • 1...Kd5
        • 2.Qxd3#
      • 1...cxd6!
  • Keys
    • 1.Qd7!
      • 1...Kc4
        • 2.Rg4#
      • 1...Ke4
        • 2.Ra4#
      • 1...cxd5
        • 2.Qa4#
      • 1...exd5
        • 2.Qg4#

This anticipates 120081(1947)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAR2(J)
    • K(b);P-FLIGHT,XP(G)::QAR2(J),XP(a)
    • P(d);SBLOCK,XP(G)::QAR(J),XP(c)
    • P(e);SBLOCK,XP(G)::QAR(J),XP(c)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(J)
        • K(b);P-FLIGHT,XP(G)::QAR2(J),XP(a)
        • P(d);SBLOCK,XP(G)::QAR(J),XP(c)
        • P(e);SBLOCK,XP(G)::QAR(J),XP(c)
      • Refutation
        • P(c);
    • Try
      • R(I);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(G)::QAB1(J)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • Q(J);
      • Vars
        • K(b);P-FLIGHT::QAR2(J)
        • K(b);P-FLIGHT,XP(G)::QAR2(J),XP(a)
      • Refutation
        • P(e);XQ(J)
    • Try
      • P(A);
      • Vars
        • K(b);P-FLIGHT,XP(G)::QAR2(J),XP(a)
        • P(d);SBLOCK,XP(G)::QAR(J),XP(c)
        • P(e);SBLOCK,XP(G)::QAR(J),XP(c)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(A);
      • Vars
        • K(b);P-FLIGHT,XP(G)::QAR2(J),XP(a)
        • P(d);SBLOCK,XP(G)::QAR(J),XP(c)
        • P(e);SBLOCK,XP(G)::QAR(J),XP(c)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(C);
      • Vars
        • K(b);P-FLIGHT::QAR2(J)
        • K(b);P-FLIGHT,XP(G)::QAR2(J),XP(a)
        • P(d);SBLOCK,XP(G)::QAR(J),XP(c)
        • P(e);SBLOCK,XP(G)::QAR(J),XP(c)
      • Refutation
        • P(c);XP(C)
    • Try
      • P(G);XP(d)
      • Vars
        • K(b);P-FLIGHT::QAR2(J)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(G);XP(e)
      • Vars
        • K(b);P-FLIGHT::QAR2(J)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(G);
      • Vars
        • K(b);P-FLIGHT::QAR2(J)
        • K(b);P-FLIGHT::QAR2(J),XP(a)
      • Refutation
        • P(f);XP(G)
  • Actual
    • Q(J);
    • Vars
      • K(b);P-FLIGHT::R(I)
      • K(b);P-FLIGHT::R(E)
      • P(d);OGATE,P_SPINP(d),SBLOCK,XP(G)::QAR(J)
      • P(e);OGATE,P_SPINP(e),SBLOCK,XP(G)::QAR(J)
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